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| 1 | Gleaning insights from German energy transition and large-scale underground energy storage for China’s carbon neutrality显示文摘The global energy transition is a widespread phenomenon that requires international exchange of experiences and mutual learning.Germany’s success in its first phase of energy transition can be attributed to its adoption of smart energy technology and implementation of electricity futures and spot marketization,which enabled the achievement of multiple energy spatial–temporal complementarities and overall grid balance through energy conversion and reconversion technologies.While China can draw from Germany’s experience to inform its own energy transition efforts,its 11-fold higher annual electricity consumption requires a distinct approach.We recommend a clean energy system based on smart sector coupling(ENSYSCO)as a suitable pathway for achieving sustainable energy in China,given that renewable energy is expected to guarantee 85%of China’s energy production by 2060,requiring significant future electricity storage capacity.Nonetheless,renewable energy storage remains a significant challenge.We propose four large-scale underground energy storage methods based on ENSYSCO to address this challenge,while considering China’s national conditions.These proposals have culminated in pilot projects for large-scale underground energy storage in China,which we believe is a necessary choice for achieving carbon neutrality in China and enabling efficient and safe grid integration of renewable energy within the framework of ENSYSCO. | Yachen Xie Xuning Wu Zhengmeng Hou Zaoyuan Li Jiashun Luo Christian Truitt Lüddeke Liangchao Huang Lin Wu Jianxing Liao | 2023 | International Journal of Mining Science and Technology2023，33，5： | 4 |
| 2 | Multi-objective op timization of the proposed multi-reservoir operating policy using improved NSPSO显示文摘 | Guo Xuning Hu Tiesong Wu Conglin | 2013 | Water Resources Management2013，27，7： | 1 |
| 3 | Electrolyte induced synergistic construction of cathode electrolyte interphase and capture of reactive free radicals for safer high energy density lithium-ion battery显示文摘As the energy density of battery increases rapidly,lithium-ion batteries(LIBs)are facing serious safety issue with thermal runaway,which largely limits the large-scale applications of high-energy-density LIBs.It is generally agreed that the chemical crosstalk between the cathode and anode leads to thermal runaway of LIBs.Herein,a multifunctional high safety electrolyte is designed with synergistic construction of cathode electrolyte interphase and capture of reactive free radicals to limit the intrinsic pathway of thermal runaway.The cathode electrolyte interphase not only resists the gas attack from the anode but suppresses the parasitic side reactions induced by electrolyte.And the function of free radical capture has the ability of reducing heat release from thermal runaway of battery.The dual strategy improves the intrinsic safety of battery prominently that the triggering temperature of thermal runaway is increased by 24.4℃and the maximum temperature is reduced by 177.7℃.Simultaneously,the thermal runaway propagation in module can be self-quenched.Moreover,the electrolyte design balances the trade-off of electrochemical and safety performance of high-energy batteries.The capacity retention of LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)|graphite pouch cell has been significantly increased from 53.85%to 97.05%with higher coulombic efficiency of 99.94%at operating voltage extended up to 4.5 V for 200 cycles.Therefore,this work suggests a feasible strategy to mitigate the safety risk of high-energy-density LIBs without sacrificing electrochemical performances. | Mengfei Ding Xuning Feng Yong Peng Jing Jing Tong Bowen Hou Yalan Xing Weifeng Zhang Li Wang Yu Wu Jiabin Lv Chunyan Luo Dejun Xiong Shichao Zhang Minggao Ouyang | 2023 | Journal of Energy Chemistry2023，，12： | 0 |
| 4 | Smartphone-based rapid and visual pathological diagnosis of glioma using perovskite probes显示文摘Histopathology plays a great role in diagnosing various diseases,which is considered as a golden standard for tumor identification.The tissue constituents must be stained by visible labels for microscopic analysis by medical experts.However,this process is time-consuming,labor-intensive,and expensive,which requires rapid pathological approaches for diagnosis in the operating room.Here,we present an easy-to-process and high-performance perovskite biological probes for rapid and visual pathological diagnosis of glioma.Perovskite quantum dots can be encapsulated by the copolymer into nanocrystals(PNCs)with a diameter of 100 nm,which is modified with chlorotoxin to achieve the specific recognition of glioma.Benefiting from the super photoluminescence quantum yield(above 93%)of EVA@PNCs aqueous solution,the glioma can be clearly imaged and captured via a smartphone under the excitation of a handheld UV lamp.To demonstrate the visualization and efficiency of PNC probes,different malignant grades of brain tumor sections can be distinguished in no more than 5 min.This strategy provides a general auxiliary diagnosis platform for achieving the histopathology analysis near the operating bed,which is currently not feasible with standard histochemical staining methods. | Dongdong Wu Jimei Chi Junzhen Fan Lijun Cheng Xuning Wang Xu Yang Meng Zhang Zewei Lian Zengqi Huang Huadong Wang Hongfei Xie Sisi Chen Qi Pan Zeying Zhang Bingda Chen Guochen Sun Bainan Xu Meng Su Yanlin Song | 2023 | InfoMat2023，5，11： | 0 |
| 5 | Molecular dispersion enhances photovoltaic efficiency and thermal stability in quasi-bilayer organic solar cells显示文摘In comparison to widely adopted bulk heterojunction(BHJ)structures for organic solar cells(OSC),exploiting the sequential deposition to form planar heterojunction(PHJ)structures enables to realize the favorable vertical phase separation to facilitate charge extraction and reduce charge recombination in OSCs.However,effective tunings on the power conversion efficiency(PCE)in PHJ-OSCs are still restrained by the currently available methods.Based on a polymeric donor PBDBT-2 F(PBDBT=Poly[[4,8-bis[5-(2-ethylhexyl)-4-fluoro-2-thienyl]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl]-2,5-thiophenediyl[5,7-bis(2-ethylhexyl)-4,8-dioxo-4 H,8 H-benzo[1,2-c:4,5-c′]dithiophene-1,3-diyl]-2,5-thiophenediyl])and a non-fullerene(NF)acceptor Y6,we proposed a strategy to improve the properties of photovoltaic performances in PHJ-based OSCs through dilute dispersions of the PBDBT-2 F donor into the acceptor-dominant phase with the sequential film deposition.With the control of donor dispersions,the charge transport balance in the PHJ-OSCs is improved,leading to the expedited photocarrier sweep-out with reduced bimolecular charge recombination.As a result,a PCE of 15.4%is achieved in the PHJ-OSCs.Importantly,the PHJ solar cells with donor dispersions exhibit better thermal stability than corresponding BHJ devices,which is related to the better film morphology robustness and less affected charge sweep-out during the thermal aging. | Xuning Zhang Yanxun Li Dongyang Zhang Guangbao Wu Hong Zhang Jiyu Zhou Xing Li Saud-uz-Zafar Jianqi Zhang Zhixiang Wei Huiqiong Zhou Yuan Zhang | 2021 | Science China Chemistry2021，64，1： | 0 |
| 6 | Thermal safety boundary of lithium-ion battery at different state of charge显示文摘Thermal runaway(TR)is a critical issue hindering the large-scale application of lithium-ion batteries(LIBs).Understanding the thermal safety behavior of LIBs at the cell and module level under different state of charges(SOCs)has significant implications for reinforcing the thermal safety design of the lithium-ion battery module.This study first investigates the thermal safety boundary(TSB)correspondence at the cells and modules level under the guidance of a newly proposed concept,safe electric quantity boundary(SEQB).A reasonable thermal runaway propagation(TRP)judgment indicator,peak heat transfer power(PHTP),is proposed to predict whether TRP occurs.Moreover,a validated 3D model is used to quantitatively clarify the TSB at different SOCs from the perspective of PHTP,TR trigger temperature,SOC,and the full cycle life.Besides,three different TRP transfer modes are discovered.The interconversion relationship of three different TRP modes is investigated from the perspective of PHTP.This paper explores the TSB of LIBs under different SOCs at both cell and module levels for the first time,which has great significance in guiding the thermal safety design of battery systems. | Hang Wu Siqi Chen Yan Hong Chengshan Xu Yuejiu Zheng Changyong Jin Kaixin Chen Yafei He Xuning Feng Xuezhe Wei Haifeng Dai | 2024 | Journal of Energy Chemistry2024，91，4： | 0 |
| 7 | Numerical simulations of supercritical carbon dioxide fracturing:A review显示文摘As an emerging waterless fracturing technology,supercritical carbon dioxide(SC-CO_(2))fracturing can reduce reservoir damage and dependence on water resources,and can also promote the reservoir stimulation and geological storage of carbon dioxide(CO_(2)).It is vital to figure out the laws in SC-CO_(2)fracturing for the large-scale field implementation of this technology.This paper reviews the numerical simulations of wellbore flow and heat transfer,fracture initiation and propagation,and proppant transport in SC-CO_(2)fracturing,including the numerical approaches and the obtained findings.It shows that the variations of wellbore temperature and pressure are complex and strongly transient.The wellhead pressure can be reduced by tubing and annulus co-injection or adding drag reducers into the fracturing fluid.Increasing the temperature of CO_(2)with wellhead heating can promote CO_(2)to reach the well bottom in the supercritical state.Compared with hydraulic fracturing,SC-CO_(2)fracturing has a lower fracture initiation pressure and can form a more complex fracture network,but the fracture width is narrower.The technology of SC-CO_(2)fracturing followed by thickened SC-CO_(2)fracturing,which combines with high injection rates and ultra-light proppants,can improve the placement effect of proppants while improving the complexity and width of fractures.The follow-up research is required to get a deeper insight into the SC-CO_(2)fracturing mechanisms and develop cost-effective drag reducers,thickeners,and ultra-light proppants.This paper can guide further research and promote the field application of SC-CO_(2)fracturing technology. | Lin Wu Zhengmeng Hou Zhifeng Luo Ying Xiong Nanlin Zhang Jiashun Luo Yanli Fang Qianjun Chen Xuning Wu | 2023 | Journal of Rock Mechanics and Geotechnical Engineering2023，15，7： | 0 |
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