选用LA132、海藻酸钠、β-环糊精和PVDF四种粘合剂应用于锂硫电池正极中,采用恒流充放电、交流阻抗和扫描电镜(SEM)等方法考察了不同粘合剂对锂硫电池电化学性能的影响。其中以海藻酸钠为粘合剂的正极循环性能和倍率性能最为优异,在电...选用LA132、海藻酸钠、β-环糊精和PVDF四种粘合剂应用于锂硫电池正极中,采用恒流充放电、交流阻抗和扫描电镜(SEM)等方法考察了不同粘合剂对锂硫电池电化学性能的影响。其中以海藻酸钠为粘合剂的正极循环性能和倍率性能最为优异,在电流密度100 m A/g下,115次循环后放电比容量为757 m Ah/g,容量保持率达70%。在1 000m A/g电流密度下,放电比容量达到600 m Ah/g。展开更多
It was studied by the orthogonal matrix experimental method,to the curing reaction of polyvinyl alcohol(PVA)by triphenylmethane4?4′?4″triisocyanate(TTI)and borax in water basal body.The Leiknonat (JQ1)adhesive...It was studied by the orthogonal matrix experimental method,to the curing reaction of polyvinyl alcohol(PVA)by triphenylmethane4?4′?4″triisocyanate(TTI)and borax in water basal body.The Leiknonat (JQ1)adhesive was a substitute material for TTI.The influences of add amount of PVA,TTI,borax and reaction temperature upon the compressive shearing strength of products were also discussed.It was found that adding of TTI and Borax improved greatly the cohesive capability of polyvinyl alcohol glue.In function of a surfactant OP10,a type of environmental protection,white latex of single group was formed.展开更多
文摘选用LA132、海藻酸钠、β-环糊精和PVDF四种粘合剂应用于锂硫电池正极中,采用恒流充放电、交流阻抗和扫描电镜(SEM)等方法考察了不同粘合剂对锂硫电池电化学性能的影响。其中以海藻酸钠为粘合剂的正极循环性能和倍率性能最为优异,在电流密度100 m A/g下,115次循环后放电比容量为757 m Ah/g,容量保持率达70%。在1 000m A/g电流密度下,放电比容量达到600 m Ah/g。
文摘It was studied by the orthogonal matrix experimental method,to the curing reaction of polyvinyl alcohol(PVA)by triphenylmethane4?4′?4″triisocyanate(TTI)and borax in water basal body.The Leiknonat (JQ1)adhesive was a substitute material for TTI.The influences of add amount of PVA,TTI,borax and reaction temperature upon the compressive shearing strength of products were also discussed.It was found that adding of TTI and Borax improved greatly the cohesive capability of polyvinyl alcohol glue.In function of a surfactant OP10,a type of environmental protection,white latex of single group was formed.