Pole piece and battery

The utility model relates to the technical field of batteries, in particular to a pole piece and a battery. The pole piece comprises a positive pole piece and a negative pole piece, wherein the positive pole piece and/or the negative pole piece comprises a current collector, an active material layer and a tab; the current collector comprises a polymeric membrane layer and a conductive layer, and the conductive layer and the active substance layer are sequentially arranged on at least one side surface of the polymeric membrane layer; the tab is arranged on at least one side surface of the current collector, is electrically connected with the current collector and is not in contact with the active substance layer. According to the pole piece disclosed by the utility model, the energy density of the battery is not lost while the flexibility is realized. 本申请涉及电池技术领域，具体涉及一种极片和电池。该极片包括正极片和负极片，正极片和/或负极片包括集流体、活性物质层和极耳；集流体包括高分子膜层和导电层，导电层、活性物质层依次设置于高分子膜层至少一侧表面；极耳设置于集流体至少一侧表面，与集流体电连接，极耳与活性物质层不接触。本实用新型极片在实现柔性的同时，还不损失电池的能