Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time.These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g^(-1) at 5...Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time.These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g^(-1) at 500 mA g^(-1) with a high capacity retention of 72.5%after 150 cycles and exhibit excellent rate capabilities.The significant capacitive contribution in the total Na+storage of the SnSe electrode is identified,which should account for its superior rate performance.展开更多
This book is a comprehensive and in-depth guide to Al applications,aiming to help readers quickly grasp the powerful functions of DeepSeek,improve work and learning efficiency,and expand Al application capabilities.Th...This book is a comprehensive and in-depth guide to Al applications,aiming to help readers quickly grasp the powerful functions of DeepSeek,improve work and learning efficiency,and expand Al application capabilities.The book is divided into three parts:the“Cognition”chapter,the“Basics”chapter,and the“Advanced”chapter,leading readers from beginner to proficient step by step.展开更多
Stretchable electronics hold promise but remain limited to low‑power use due to poor heat dissipation.We present a three-dimensional(3D)integration strategy combining elastomeric material modification,3D printing,and ...Stretchable electronics hold promise but remain limited to low‑power use due to poor heat dissipation.We present a three-dimensional(3D)integration strategy combining elastomeric material modification,3D printing,and laser etching to fabricate stretchable thermoelectric devices(TEDs)with enhanced refrigeration capabilities.The device features a 3D architecture integrating embedded microfluidics with multilayer thermoelectric networks,providing improved heat exchange capacity suitable for high thermal design power(TDP)requirements.The device achieves~10℃ environmental and 11℃ on-skin temperature reduction with precise control.Furthermore,by integrating a temperature sensor and control circuit with the 3D TED,a wearable closed-loop system is developed.Benefiting from the improved device performance and advanced control algorithms,this system enables accurate and rapid regulation of skin temperature,demonstrating potential applications in virtual temperature and pain sensation.The integration method proposed here may offer a generalizable approach for advancing high-power stretchable electronics,thereby broadening their range of applications.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(No.51772142)the Development and Reform Commission of Shenzhen Municipality(Novel Nanomaterial Discipline Construction Plan)+2 种基金the Shenzhen Science and Technology Innovation Committee(No.JCYJ20170412152528921,KQJSCX_(2)0170328155428476)support from the National Natural Science Foundation of China(No.21471160)the Taishan Scholar Program of Shandong Province of China.
文摘Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time.These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g^(-1) at 500 mA g^(-1) with a high capacity retention of 72.5%after 150 cycles and exhibit excellent rate capabilities.The significant capacitive contribution in the total Na+storage of the SnSe electrode is identified,which should account for its superior rate performance.
文摘This book is a comprehensive and in-depth guide to Al applications,aiming to help readers quickly grasp the powerful functions of DeepSeek,improve work and learning efficiency,and expand Al application capabilities.The book is divided into three parts:the“Cognition”chapter,the“Basics”chapter,and the“Advanced”chapter,leading readers from beginner to proficient step by step.
基金supported by the National Natural Science Foundation of China under Grants 62427806,62201119 and U21A20460Guangdong Basic and Applied Basic Research Foundation under Grant 2023A1515010975Shenzhen Science and Technology Program under Grant JCYJ20230807120009019。
文摘Stretchable electronics hold promise but remain limited to low‑power use due to poor heat dissipation.We present a three-dimensional(3D)integration strategy combining elastomeric material modification,3D printing,and laser etching to fabricate stretchable thermoelectric devices(TEDs)with enhanced refrigeration capabilities.The device features a 3D architecture integrating embedded microfluidics with multilayer thermoelectric networks,providing improved heat exchange capacity suitable for high thermal design power(TDP)requirements.The device achieves~10℃ environmental and 11℃ on-skin temperature reduction with precise control.Furthermore,by integrating a temperature sensor and control circuit with the 3D TED,a wearable closed-loop system is developed.Benefiting from the improved device performance and advanced control algorithms,this system enables accurate and rapid regulation of skin temperature,demonstrating potential applications in virtual temperature and pain sensation.The integration method proposed here may offer a generalizable approach for advancing high-power stretchable electronics,thereby broadening their range of applications.
