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| 1 | Stress Corrosion of X80 Pipeline Steel Welded Joints by Slow Strain Test in NACE H_2S Solutions显示文摘The X80 pipeline steel was welded with the way of submerged arc welding. The SST (slow strain test) of the welded joint samples in the air, NACE (National Association of Corrosion Engineers) solution (no H2S), NACE solution (saturated H2S) was performed to research the sensibility index of SCC (stress corrosion cracking) Iscc. The morphologies of the welded joint fractures and the fracture modes were observed with SEM (scanning electron microscope), and the fracture chemical compositions were analyzed with EDS (energy dispersive spectrometer), respectively. The fracture mechanisms of the welded joints were discussed. The results show that sensibility index of SCC in the air is not obvious, the fracture is dimple, and the mode of fracture is ductile fracture. The sensibility index of SCC in NACE solution (no H2S) is 13.21%, the stress corrosion is not obvious. The sample fracture shows quasi cleavage+dimple, and the fracture mode is toughness+brittle rupture. The sensibility index of SCC in NACE solution (saturated H2S) is 56.94%, the plastic loss is the most serious, appearing an obvious stress corrosion tendency, and there is no obvious necking phenomenon. The fracture mode is brittle fracture, and the sample fracture has a high sulfur concentration, prompting S to a aliquation of crisp crystal in the welded zone, and making its mechanical properties worsen. | KONG De-jun WU Yong-zhong LONG Dan | 2013 | Journal of Iron and Steel Research(International)2013，20，1： | 29 |
| 2 | Expediting redox kinetics of sulfur species by atomic-scale electrocatalysts in lithium–sulfur batteries显示文摘Lithium–sulfur(Li–S)batteries have extremely high theoretical energy density that make them as promising systems toward vast practical applications.Expediting redox kinetics of sulfur species is a decisive task to break the kinetic limitation of insulating lithium sulfide/disulfide precipitation/dissolution.Herein,we proposed a porphyrinderived atomic electrocatalyst to exert atomic-efficient electrocatalytic effects on polysulfide intermediates.Quantifying electrocatalytic efficiency of liquid/solid conversion through a potentiostatic intermittent titration technique measurement presents a kinetic understanding of specific phase evolutions imparted by the atomic electrocatalyst.Benefiting from atomically dispersed“lithiophilic”and“sulfiphilic”sites on conductive substrates,the finely designed atomic electrocatalyst endows Li–S cells with remarkable cycling stablity(cyclic decay rate of 0.10%in 300 cycles),excellent rate capability(1035 mAh g−1 at 2 C),and impressive areal capacity(10.9 mAh cm−2 at a sulfur loading of 11.3 mg cm−2).The present work expands atomic electrocatalysts to the Li–S chemistry,deepens kinetic understanding of sulfur species evolution,and encourages application of emerging electrocatalysis in other multielectron/multiphase reaction energy systems. | Bo-Quan Li Long Kong Chang-Xin Zhao Qi Jin Xiao Chen Hong-Jie Peng Jin-Lei Qin Jin-Xiu Chen Hong Yuan Qiang Zhang Jia-Qi Huang | 2019 | InfoMat2019，1，4： | 18 |
| 3 | Advanced energy materials for flexible batteries in energy storage:A review显示文摘Smart energy storage has revolutionized portable electronics and electrical vehicles.The current smart energy storage devices have penetrated into flexible electronic markets at an unprecedented rate.Flexible batteries are key power sources to enable vast flexible devices,which put forward additional requirements,such as bendable,twistable,stretchable,and ultrathin,to adapt mechanical deformation under the working conditions.This review summarizes the recent advances in construction and configuration of flexible batteries and discusses the general metrics to benchmark various flexible batteries with different materials and chemistries.Moreover,we present advanced prototype flexible batteries developed by some companies to afford general envision of the technological status.Lastly,the critical points are summarized in the development of flexible batteries and remaining challenges are also presented for the future design of flexible batteries in practical perspectives. | Long Kong Cheng Tang Hong‐Jie Peng Jia‐Qi Huang Qiang Zhang | 2020 | SmartMat2020，1，1： | 16 |
| 4 | Laparoscopic vs computerized tomography-guided radiofrequency ablation for large hepatic hemangiomas abutting the diaphragm显示文摘AIM: To compare safety and therapeutic efficacy of laparoscopic radiofrequency(RF) ablation vs computed tomography(CT)-guided RF ablation for large hepatic hemangiomas abutting the diaphragm.METHODS: We retrospectively reviewed our sequential experience of treating 51 large hepatic hemangiomas abutting the diaphragm in 51 patients by CT-guided or laparoscopic RF ablation due to either the presence of symptoms and/or the enlargement of hemangioma.Altogether, 24 hemangiomas were ablated via a CTguided percutaneous approach(CT-guided ablation group), and 27 hemangiomas were treated via a laparoscopic approach(laparoscopic ablation group).RESULTS: The mean diameter of the 51 hemangiomas was 9.6 ± 1.8 cm(range, 6.0-12.0 cm). There was nodifference in the diameter of hemangiomas between the two groups(P > 0.05). RF ablation was performed successfully in all patients. There was no difference in ablation times between groups(P > 0.05). There were 23 thoracic complications in 17 patients: 15(62.5%, 15/24) in the CT-guided ablation group and2(7.4%, 2/27) in the laparoscopic ablation group(P< 0.05). According to the Dindo-Clavien classification,two complications(pleural effusion and diaphragmatic rupture grade Ⅲ) were major in two patients. All others were minor(grade Ⅰ). Both major complications occurred in the CT-guided ablation group. The minor complications were treated successfully with conservative measures, and the two major complications underwent treatment by chest tube drainage and thoracoscopic surgery, respectively. Complete ablation was achieved in 91.7%(22/24) and 96.3%(26/27) in the CT-guided and the laparoscopic ablation groups,respectively(P > 0.05).CONCLUSION: Laparoscopic RF ablation therapy should be used as the first-line treatment option for large hepatic hemangiomas abutting the diaphragm.It avoids thermal injury to the diaphragm and reduces thoracic complications. | Jun Gao Jian Kong Xue-Mei Ding Shan Ke Hai-Gang Niu Zong-Hai Xin Chun-Min Ning Shi-Gang Guo Xiao-Long Li Long Zhang Yong-Hong Dong Wen-Bing Sun | 2015 | World Journal of Gastroenterology2015，21，19： | 16 |
| 5 | Radiofrequency ablation for hepatic hemangiomas: A consensus from a Chinese panel of experts显示文摘Recent studies have shown that radiofrequency(RF) ablation therapy is a safe, feasible, and effective procedure for hepatic hemangiomas, even huge hepatic hemangiomas. RF ablation has the following advantages in the treatment of hepatic hemangiomas: minimal invasiveness, definite efficacy, high safety, fast recovery, relatively simple operation, and wide applicability. It is necessary to formulate a widely accepted consensus among the experts in China who have extensive expertise and experience in the treatment of hepatic hemangiomas using RF ablation, which is important to standardize the application of RF ablation for the management of hepatic hemangiomas, regarding the selection of patients with suitable indications to receive RF ablation treatment, the technical details of the techniques, therapeutic effect evaluations, management of complications, etc. A final consensus by a Chinese panel of experts who have the expertise of using RF ablation to treat hepatic hemangiomas was reached by means of literature review, comprehensive discussion, and draft approval. | Jun Gao Rui-Fang Fan Jia-Yin Yang Yan Cui Jian-Song Ji Kuan-Sheng Ma Xiao-Long Li Long Zhang Chong-Liang Xu Xin-Liang Kong Shan Ke Xue-Mei Ding Shao-Hong Wang Meng-Meng Yang Jin-Jin Song Bo Zhai Chun-Ming Nin Shi-Gang Guo Zong-Hai Xin Jun Lu Yong-Hong Dong Hua-Qiang Zhu Wen-Bing Sun | 2017 | World Journal of Gastroenterology2017，23，39： | 15 |
| 6 | Review of nanostructured current collectors in lithium-sulfur batteries显示文摘 | Long Kong Hong-Jie Peng Jia-Qi Huang Qiang Zhang | 2017 | Nano Research2017，10，12： | 13 |
| 7 | Towards full demonstration of high areal loading sulfur cathode in lithium–sulfur batteries显示文摘Lithium–sulfur(Li–S)batteries have been recognized as promising substitutes for current energy-storage technologies owing to their exceptional advantages in very high-energy density and excellent material sustainability.The cathode with high sulfur areal loading is vital for the practical applications of Li–S batteries with very high energy density.However,the high sulfur loading in an electrode results in poor rate and cycling performances of batteries in most cases.Herein,we used diameters of 5.0(D5)and 13.0(D13)mm to probe the effect of electrodes with different sizes on the rate and cycling performances under a high sulfur loading(4.5 mg cm^-2).The cell with D5 sulfur cathode exhibits better rate and cycling performances comparing with a large(D13)cathode.Both the high concentration of lithium polysulfides and corrosion of lithium metal anode impede rapid kinetics of sulfur redox reactions,which results in inferior battery performance of the Li–S cell with large diameter cathode.This work highlights the importance of rational matching of the large sulfur cathode with a high areal sulfur loading,carbon modified separators,organic electrolyte,and Li metal anode in a pouch cell,wherein the sulfur redox kinetics and lithium metal protection should be carefully considered under the flooded lithium polysulfide conditions in a working Li–S battery. | Long Kong Qi Jin Xi-Tian Zhang Bo-Quan Li Jin-Xiu Chen Wan-Cheng Zhu Jia-Qi Huang Qiang Zhang | 2019 | Journal of Energy Chemistry2019，28，12： | 13 |
| 8 | Investigating metal-organic framework as a new pseudo-capacitive material for supercapacitors显示文摘A new application of metal organic framework(MOF) as a pseudo-capacitive material for supercapacitors is investigated.To this end,a simple nickel-based MOF,formulated Ni_3(btc)_2-12H_2O,is synthesized via a hydrothermal reaction.As an electro-active material,such nickel-based MOF exhibits superior pseudocapacitive behavior in KOH aqueous electrolyte with a high specific capacitance of 726 Fg^(-1).Also,it displays good electrochemical stability with 94.6%of the initial capacitance over consecutive 1000 cycles.In addition,a simple asymmetric supercapacitor with a high energy density of 16.5 Wh kg^(-1) is successfully built using the nickel-based MOF as positive electrode and commercial activated carbon as negative electrode in KOH electrolyte. | Long Kang Shi-Xiong Sun Ling-Bin Kong Jun-Wei Lang Yong-Chun Luo | 2014 | Chinese Chemical Letters2014，25，6： | 13 |
| 9 | A novel polyaniline/mesoporous carbon nano-composite electrode for asymmetric supercapacitor显示文摘polyaniline/mesoporous 碳(PANI/CMK-3 )nano 合成的一篇小说与用作支持的 mesoporous 碳(CMK-3 ) 被准备。电气化学的不对称的电容器被分别地把合成的 PANI/CMK-3 和 CMK-3 用作积极、否定的电极成功地设计了。结果证明不对称的电容器的分泌物电容能在 5 mA/cm2 的当前的密度和 1.4 V 的房间电压下面到达 87.4 F/g。不对称的电容器的精力密度直到有 206 W/kg 的力量密度的 23.8 Wh/kg。而且,用这 PANI/CMK-3 的 PANI/CMK-3CMK-3 不对称的电容器 nano 合成能快速被激活并且拥有高 chargedischarge 效率。 | Jian Jun Cai Ling Bin Kong Jing Zhang Yong Chun Luo Long Kang | 2010 | Chinese Chemical Letters2010，21，12： | 11 |
| 10 | Coral reef-like polyanaline nanotubes prepared by a reactive template of manganese oxide for supercapacitor electrode显示文摘由 nanopaticles 组成的珊瑚像礁石的 PANI nanotubes 被锰氧化物的一个反应模板成功地综合。结构被使用 SEM, TEM,和英尺红外描绘,并且这些 nanotubes 的 supercapacitive 行为与周期的 voltammetry (CV ) 被调查,并且 chargedischarge 分别地测试。533 F/g 的一个最大的特定的电容能在 1 mol/L 被完成有 0.2 ~ 0.8 V 的潜在的范围的水的 H2SO4 (对浸透的甘汞电极) 在为 PANI 电极的一种一半房间安装配置,为电气化学的电容器在电极材料建议它的潜在的申请。 | Ling Ren Wang Fen Ran Yong Tao Tan Lei Zhao Ling Bin Kong Long Kang | 2011 | Chinese Chemical Letters2011，22，8： | 8 |
| 11 | Rig-I^-/- mice develop colitis associated with downregulation of Gαi2显示文摘 | Yi Wang Hong-Xin Zhang Yue-Ping Sun Zi-Xing Liu Xue-Song Liu Long Wang Shun-Yuan Lu Hui Kong Qiao-Ling Liu Xi-Hua Li Zhen-Yu Lu Sai-Juan Chen Zhu Chen Shi-San Bao Wei Dai Zhu-Gang Wang | 2007 | Cell Research2007，17，10： | 8 |
| 12 | Facile synthesis of high electrical conductive CoP via solid-state synthetic routes for supercapacitors显示文摘Co-P precursor was prepared by a mechanical alloying method and then is controlled to synthesis of Co P phase through an annealing method. The optimal conditions of ball milling and annealing temperature are investigated. The Co P exhibits higher electrical conductivity than graphite and cobalt oxide, showing excellent pseudocapacitive properties due its high electrical conductivity which can result in a fast electron transfer in high rate charge–discharge possess. The as-obtained Co P electrode achieves a high specific capacitance of 447.5 F/g at 1 A/g, and displays an excellent rate capability as well as good cycling stability. Besides, the asymmetric supercapacitor(ASC) based on the Co P as the positive electrode and activated carbon(AC) as the negative electrode was assembled and displayed a high rate capability(60%of the capacitance is retained when the current density increased from 1 A/g to 12 A/g), excellent cycling stability(96.7% of the initial capacitance is retained after 5000 cycles), and a superior specific energy of19 Wh/kg at a power density of 350.8 W/kg. The results suggest that the Co P electrode materials have a great potential for developing high-performance electrochemical energy storage devices. | Yumei Hu Maocheng Liu Qingqing Yang Lingbin Kong Long Kang | 2017 | Journal of Energy Chemistry2017，26，1： | 7 |
| 13 | Numerical analysis of dislocations of the face slabs of the Zipingpu Concrete Faced Rockfill Dam during the Wenchuan earthquake显示文摘The Zipingpu Concrete Faced Rockfill Dam (CFRD) was obviously damaged during the Wenchuan earthquake in 2008. A wide range of dislocations occurred along the horizontal construction joints at EL. 845m, between the face slabs constructed in the second and third stages. The maximum displacement of the dislocations reached 17cm. In this study, the slab dislocations were investigated using finite element (FE) analysis. The method based on strain potential was applied to compute the permanent deformation of the Zipingpu Dam during the Wenchuan earthquake. The calculated magnitude of the slab dislocation showed good agreements with the field measurements. The dislocation mechanism was discussed. The results show that the dislocation of the concrete slab is a subsequent damage after the permanent deformation of the rockfill materials. The effects of the shear strength and the direction of the construction joints, the reservoir water level and the seismic waves were studied. The shear strength and the direction of the construction joints, reservoir water level and have a significant effect on the dislocation displacement. The dislocation can be effectively reduced by measures such as changing the direction of the construction joints or improving the shear strength at the horizontal joints. | Kong Xianjing Zhou Yang Zou Degao Xu Bin Yu Long | 2011 | Earthquake Engineering and Engineering Vibration2011，10，4： | 6 |
| 14 | A review of transition metal chalcogenide/graphene nanocomposites for energy storage and conversion显示文摘To meet the ever-increasing energy demands, advanced electrode materials are strongly requested for the exploration of advanced energy storage and conversion technologies, such as Li-ion batteries, Li-S batteries, Li-/Zn-air batteries, supercapacitors, dye-sensitized solar cells, and other electrocatalysis process(e.g., oxygen reduction/evolution reaction, hydrogen evolution reaction). Transition metal chalcogenides(TMCs, i.e., sulfides and selenides) are forcefully considered as an emerging candidate,owing to their unique physical and chemical properties. Moreover, the integration of TMCs with conductive graphene host has enabled the significant improvement of electrochemical performance of devices. In this review, the recent research progress on TMC/graphene composites for applications in energy storage and conversion devices is summarized. The preparation process of TMC/graphene nanocomposites is also included. In order to promote an in-depth understanding of performance improvement for TMC/graphene materials, the operating principle of various devices and technologies are briefly presented. Finally, the perspectives are given on the design and construction of advanced electrode materials. | Hong Yuan Long Kong Tao Li Qiang Zhang | 2017 | Chinese Chemical Letters2017，28，12： | 6 |
| 15 | Encapsulating a Ni(Ⅱ) molecular catalyst in photoactive metal–organic framework for highly efficient photoreduction of CO2显示文摘Photocatalytic reduction of CO2 to CO is a promising strategy for reducing atmospheric CO2 levels and storing solar radiation as chemical energy.Here,we demonstrate that a molecular catalyst[NiⅡ(bpet)(H2O)2]successfully encapsulated into a highly robust and visible-light responsive metal–organic framework(Ru-UiO-67)to fabricate composite catalysts for photocatalytic CO2 reduction.The composite Ni@Ru-UiO-67 photocatalysts show efficient visible-light-driven CO2 reduction to CO with a TON of 581 and a selectivity of 99% after 20-h illumination,because of the facile electron transfer from Ru-photosensitizer to Ni(Ⅱ)active sites in Ni@Ru-UiO-67 system.The mechanistic insights into photoreduction of CO2 have been studied based on thermodynamical,electrochemical,and spectroscopic investigation,together with density functional theory(DFT)calculations.This work shows that encapsulating molecular catalyst into photoactive MOF highlights opportunities for designing efficient,stable and recyclable photocatalysts. | Zhi-Hao Yan Bo Ma Shu-Rong Li Junxue Liu Rong Chen Ming-Hao Du Shengye Jin Gui-Lin Zhuang La-Sheng Long Xiang-Jian Kong Lan-Sun Zheng | 2019 | Science Bulletin2019，64，14： | 5 |
| 16 | 2020 roadmap on pore materials for energy and environmental applications显示文摘Porous materials have attracted great attention in energy and environment applications,such as metal organic frameworks(MOFs),metal aerogels,carbon aerogels,porous metal oxides.These materials could be also hybridized with other materials into functional composites with superior properties.The high specific area of porous materials offer them the advantage as hosts to conduct catalytic and electrochemical reactions.On one hand,catalytic reactions include photocatalytic,p ho toe lectrocatalytic and electrocatalytic reactions over some gases.On the other hand,they can be used as electrodes in various batteries,such as alkaline metal ion batteries and electrochemical capacitors.So far,both catalysis and batteries are extremely attractive topics.There are also many obstacles to overcome in the exploration of these porous materials.The research related to porous materials for energy and environment applications is at extremely active stage,and this has motivated us to contribute with a roadmap on ’porous materials for energy and environment applications’. | Zengxi Wei Bing Ding Hui Dou Jorge Gascon Xiang-Jian Kong Yujie Xiong Bin Cai Ruiyang Zhang Ying Zhou Mingce Long Jie Miao Yuhai Dou Ding Yuan Jianmin Ma | 2019 | Chinese Chemical Letters2019，30，12： | 5 |
| 17 | Electrolyte solvation chemistry for lithium-sulfur batteries with electrolyte-lean conditions显示文摘Lithium-sulfur(Li-S)batteries possess overwhelming energy density of 2654 Wh kg-1,and are considered as the next-generation battery technology for energy demanding applications.Flooded electrolytes are ubiquitously employed in cells to ensure sufficient redox kinetics and preclude the interference of the electrolyte depletion due to side reactions with the lithium metal anode.This strategy is capable of enabling long-lasting,high-capacity and excellent-rate battery performances,but it mask the requirements of practical Li-S batteries,where high-sulfur-loading/content and lean electrolyte are prerequisite to realize the energy-dense Li-S batteries.Sparingly and highly solvating electrolytes have emerged as effective yet simple approaches to decrease the electrolyte/sulfur ratio through altering sulfur species and exerting new reaction pathways.Sparingly solvating electrolytes are characterized by few free solvents to solvate lithium polysulfides,rendering a quasi-solid sulfur conversion and decoupling the reaction mechanisms from electrolyte quantity used in cells;while highly solvating electrolytes adopt highdonicity or high-permittivity solvents and take their advantages of strong solvation ability toward polysulfide intermediates,thereby favoring the polysulfide formation and stabilizing unique radicals,which subsequently accelerate redox kinetics.Both solvation chemistry approaches have their respective features to allow the operation of cells under electrolyte-starved conditions.This Review discusses their unique features and basic physicochemical properties in the working Li-S batteries,presents remaining technical and scientific issues and provides future directions for the electrolyte chemistry to attain highenergy Li-S batteries. | Long Kong Lihong Yin Fei Xu Juncao Bian Huimin Yuan Zhouguang Lu Yusheng Zhao | 2021 | Journal of Energy Chemistry2021，30，4： | 5 |
| 18 | Stabilizing perovskite nanocrystals by controlling protective surface ligands density显示文摘After nanocrystals synthesis,the purification process with anti-solvents is an essential step to get clean nanocrystals,which could get rid of the by-products of the synthesis.It is generally recognized that this process could bring a positive effect for the afterward optoelectronic applications.Unfortunately,we found that the optical properties and photostability of perovskite CsPbBr3 nanocrystals were unavoidably deteriorated after they were washed with anti-solvents,and this deterioration is strongly related to the decreasing of surface ligands density.Therefore,in this paper,we tried to purposely not wash the CsPbBr3 nanocrystals solution after adding didodecyl dimethylammonium bromide (DDAB),and found the existing of DDAB in solution could result in a dramatically enhanced photostability.Inspired by these results,we proposed a new strategy to stabilize perovskite nanocrystals from the view of packaging process:adding protective ligands into the perovskite nanocrystals resin directly,then encapsulating them on blue light-emitting diodes (LED) chips.Surprisingly,stable LED devices (20 mA,2.7V) were achieved by this way,which can keep 80% of the initial photoluminescence (PL) intensity for more than 50 h,while the devices with CsPbBr3 nanocrystals without adding protective ligands into resin dropped to 50% of their initial PL intensity within 6 h.This approach offers a new thought to stabilize perovskite nanocrystals as down-conversion phosphor in quantum dots liquid crystal display. | Weilin Zheng Zhichun Li Congyang Zhang Bo Wang Qinggang Zhang Qun Wan Long Kong Liang Li | 2019 | Nano Research2019，12，6： | 4 |
| 19 | Wheat breeding history reveals synergistic selection of pleiotropic genomic sites for plant architecture and grain yield显示文摘Diversity surveys of crop germplasm are important for gaining insights into the genomic basis for plant architecture and grain yield improvement,which is still poorly understood in wheat.In this study,we exome sequenced 287 wheat accessions that were collected in the past 100 years.Population genetics analysis identified that 6.7%of the wheat genome falls within the selective sweeps between landraces and cultivars,which harbors the genes known for yield improvement.These regions were asymmetrically distributed on the A and B subgenomes with regulatory genes being favorably selected.Genome-wide association study(GWAS)identified genomic loci associated with traits for yield potential,and two underlying genes,TaARF12 encoding an auxin response factor and TaDEP1 encoding the G-proteinγ-subunit,were located and characterized to pleiotropically regulate both plant height and grain weight.Elite single-nucleotide haplotypes with increased allele frequency in cultivars relative to the landraces were identified and found to have accumulated over the course of breeding.Interestingly,we found that TaARF12 and TaDEP1 function in epistasis with the classical plant height Rht-1 locus,leading to propose a“Green Revolution”-based working model for historical wheat breeding.Collectively,our study identifies selection signatures that fine-tune the gibberellin pathway during modern wheat breeding and provides a wealth of genomic diversity resources for the wheat research community. | Aili Li Chenyang Hao Zhenyu Wang Shuaifeng Geng Meiling Jia Fang Wang Xiang Han Xingchen Kong Lingjie Yin Shu Tao Zhongyin Deng Ruyi Liao Guoliang Sun Ke Wang Xingguo Ye Chengzhi Jiao Hongfeng Lu Yun Zhou Dengcai Liu Xiangdong Fu Xueyong Zhang Long Mao | 2022 | Molecular Plant2022，15，3： | 4 |
| 20 | Hollow Carbon Microspheres/MnO_2 Nanosheets Composites:Hydrothermal Synthesis and Electrochemical Behaviors显示文摘This article reported the electrochemical behaviors of a novel hollow carbon microspheres/manganese dioxide nanosheets(micro-HC/nano-MnO2) composite prepared by an in situ self-limiting deposition method under hydrothermal condition. The results of scanning electron microscopy reveal that MnO2 nanosheets homogeneously grow onto the surface of micro-HC to form a loose-packed microstructure. The quantity of MnO2 required in the electrode layer has thereby been reduced significantly, and higher specific capacitances have been achieved. The micro-HC/nano-MnO2 electrode presents a high capacitance of 239.0 F g-1 at a current density of 5 m A cm-2, which is a strong promise for high-rate electrochemical capacitive energy storage applications. | Hui-li Fan Fen Ran Xuan-xuan Zhang Hai-ming Song Xiao-qin Niu Ling-bin Kong Long Kang | 2015 | Nano-Micro Letters2015，7，1： | 4 |
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