功能材料
功能材料
공능재료
Journal of Functional Materials
2015年
17期
17046-17048
,共3页
低温高电位热电池%导电剂%正极性能%金属粉末%碳材料%电解质
低溫高電位熱電池%導電劑%正極性能%金屬粉末%碳材料%電解質
저온고전위열전지%도전제%정겁성능%금속분말%탄재료%전해질
low-temperature/high-voltage thermal battery%conductive additives%cathode performance%metal pow-ders%carbon materials%electrolyte
在低温高电位热电池正极材料Cu3 V2 O8中分别加入铜粉、银粉等金属粉末及活性炭、乙炔黑、碳纳米管(CN T s)等碳材料作电子导电剂,通过放电测试研究了不同导电剂对正极性能的影响。结果表明,这些导电剂都可使正极放电性能有所提高,并且碳材料比金属粉末更适合用作低温高电位热电池正极材料的导电剂。正极中活性炭、乙炔黑、CN T s的适宜添加量分别为4%,3%和3%,其中CN T s的改善效果略好于其它两种。电解质的添加量对正极材料性能的影响较小,其适宜的添加量为30%。
在低溫高電位熱電池正極材料Cu3 V2 O8中分彆加入銅粉、銀粉等金屬粉末及活性炭、乙炔黑、碳納米管(CN T s)等碳材料作電子導電劑,通過放電測試研究瞭不同導電劑對正極性能的影響。結果錶明,這些導電劑都可使正極放電性能有所提高,併且碳材料比金屬粉末更適閤用作低溫高電位熱電池正極材料的導電劑。正極中活性炭、乙炔黑、CN T s的適宜添加量分彆為4%,3%和3%,其中CN T s的改善效果略好于其它兩種。電解質的添加量對正極材料性能的影響較小,其適宜的添加量為30%。
재저온고전위열전지정겁재료Cu3 V2 O8중분별가입동분、은분등금속분말급활성탄、을결흑、탄납미관(CN T s)등탄재료작전자도전제,통과방전측시연구료불동도전제대정겁성능적영향。결과표명,저사도전제도가사정겁방전성능유소제고,병차탄재료비금속분말경괄합용작저온고전위열전지정겁재료적도전제。정겁중활성탄、을결흑、CN T s적괄의첨가량분별위4%,3%화3%,기중CN T s적개선효과략호우기타량충。전해질적첨가량대정겁재료성능적영향교소,기괄의적첨가량위30%。
The effects of different conductive additives on cathode performance were investigated employing metal pow‐ders of copper and silver and carbon materials such as activated carbon ,acetylene black ,carbon nano tubes (CNTs ) to high potential Cu3 V2 O8 cathode for low‐temperature/high‐voltage thermal battery .The results showed that all these conductive additives can improve the discharge performance of the Cu3 V2 O8 cathode .Furthermore ,carbon materials were more suitable used as conductive additives for low‐temperature/high‐voltage thermal battery cathode than metal powders .The optimal content of activated carbon ,acetylene black and CNTs in the cathode was 4% ,3% and 3% re‐spectively ,while CNTs had the best cathode performance improvement of all .The content of electrolyte had a small effect on cathode performance with the propriate composition of 30% .