Examples of applications of thin film batteries. a) Image of an ATFB. Reproduced with permission.[
10
] Copyright 2018, Springer Nature BV. b) Microcells of size 100 × 100 µm2 with nominal voltage 3.9V per cell. Reproduced with permission.[
11
] Copyright 2002, IOP Publishing, Ltd. c) A pplication of the ATFB in smart lens. Reproduced with permission.[
17
] Copyright 2018, Elsevier. d) On‐chip μ‐battery for biosensing and data transmission. Reproduced with permission.[
19
] Copyright 2019, John Wiley & Sons. e) A large grid array package on Si wafer. Reproduced with permission.[
20
] Copyright 2017, WileyVCH. f) ATFM integrated with a photovoltaic cell. Reproduced with permission.[
22
] Copyright 2017, Elsevier. g) Illustration of a stand‐alone microsystem in which a P‐type thermoelectric device is integrated with an ATFB. Reproduced with permission.[
24
] Copyright 2008, Elsevier. h) Fiber type of ATFB consisting of carbon fiber as the current collector as well as anode, polymer‐based electrolyte, and polymer/composite cathode. Reproduced with permission.[
25
] Copyright 2019, Sage Publications.