Electrode, battery, and method of manufacturing the same

摘要

An electrode ( 100 ) of the present invention contains a collector ( 104 ) and an electrode layer ( 102 ) which is disposed on the collector ( 104 ) and contains an active material. In the electrode ( 100 ), an average thickness (h) of the collector ( 104 ) and the electrode layer ( 102 ) ranges from 5 to 300 (m, and a maximum thickness (h) of the collector ( 104 ) and the electrode layer ( 102 ) is not more than 105% of a minimum thickness (h) of the collector ( 104 ) and the electrode layer ( 102 ). The electrode ( 100 ) is very thin and the uniformity of the electrode layer ( 102 ) is high. Therefore, the heat dissipation characteristics of the battery ( 300 ) are uniform, the local degradation is hardly generated in the battery ( 300 ), and the crack and the rupture are also hardly generated in the battery ( 300 ).