随社会经济快速发展,特高压输电线路铁塔需求不断增加。传统制造方式低效、浪费资源,不满足现代电力行业发展需求。实现特高压输电线路铁塔智能制造至关重要。同时为实现特高压输电线路铁塔制造企业的数字化转型,构建智能制造车间,本文...随社会经济快速发展,特高压输电线路铁塔需求不断增加。传统制造方式低效、浪费资源,不满足现代电力行业发展需求。实现特高压输电线路铁塔智能制造至关重要。同时为实现特高压输电线路铁塔制造企业的数字化转型,构建智能制造车间,本文基于 5G 通信的大环境从生产计划管理、过程控制、设备管理、质量控制、耗能管理以及现场管理等方面研究智能制造车间 MES 系统的设计要求,旨在能够推动特高压输电线路铁塔制造企业智能制造车间的建设进以及数字化转型的进程。展开更多
Aqueous precursors provide an alluring approach for low-cost and environmentally friendly production of earth-abundant Cu2ZnSn(S,Se)4(CZTSSe)solar cells.The key is to find an appropriate molecular agent to prepare a s...Aqueous precursors provide an alluring approach for low-cost and environmentally friendly production of earth-abundant Cu2ZnSn(S,Se)4(CZTSSe)solar cells.The key is to find an appropriate molecular agent to prepare a stable solution and optimize the coordination structure to facilitate the subsequent crystallization process.Herein,we introduce thioglycolic acid(TGA),which possesses strong coordination(SH)and hydrophilic(COOH)groups,as the agent and use deprotonation to regulate the coordination competition within the aqueous solution.Ultimately,metal cations are adequately coordinated with thiolate anions,and carboxylate anions are released to become hydrated to form an ultrastable aqueous solution.These factors have contributed to achieving CZTSSe solar cells with an efficiency as high as 12.3%(a certified efficiency of 12.0%)and providing an extremely wide time window for precursor storage and usage.This work represents significant progress in the non-toxic solution fabrication of CZTSSe solar cells and holds great potential for the development of CZTSSe and other metal sulfide solar cells.展开更多
文摘随社会经济快速发展,特高压输电线路铁塔需求不断增加。传统制造方式低效、浪费资源,不满足现代电力行业发展需求。实现特高压输电线路铁塔智能制造至关重要。同时为实现特高压输电线路铁塔制造企业的数字化转型,构建智能制造车间,本文基于 5G 通信的大环境从生产计划管理、过程控制、设备管理、质量控制、耗能管理以及现场管理等方面研究智能制造车间 MES 系统的设计要求,旨在能够推动特高压输电线路铁塔制造企业智能制造车间的建设进以及数字化转型的进程。
基金supported by the National Natural Science Foundation of China(51961165108,51421002,51972332 and 51627803)。
文摘Aqueous precursors provide an alluring approach for low-cost and environmentally friendly production of earth-abundant Cu2ZnSn(S,Se)4(CZTSSe)solar cells.The key is to find an appropriate molecular agent to prepare a stable solution and optimize the coordination structure to facilitate the subsequent crystallization process.Herein,we introduce thioglycolic acid(TGA),which possesses strong coordination(SH)and hydrophilic(COOH)groups,as the agent and use deprotonation to regulate the coordination competition within the aqueous solution.Ultimately,metal cations are adequately coordinated with thiolate anions,and carboxylate anions are released to become hydrated to form an ultrastable aqueous solution.These factors have contributed to achieving CZTSSe solar cells with an efficiency as high as 12.3%(a certified efficiency of 12.0%)and providing an extremely wide time window for precursor storage and usage.This work represents significant progress in the non-toxic solution fabrication of CZTSSe solar cells and holds great potential for the development of CZTSSe and other metal sulfide solar cells.
