| 摘要 |
Provided are a method of forming a carbon film which has a reduced number of steps and improved productivity without needing a high-temperature process, and a method of forming an electrode which does not need a binder. A fluororesin film is formed on a surface of a collector, and a surface of the fluororesin film is contacted with an alkali metal such as lithium to perform defluorination and then washed with acid. By this processing, lithium (Li) chemically reacts with fluorine (F) in the fluororesin film, and lithium fluoride (LiF) is generated. Consequently, the fluororesin film is defluorinated, whereby an electrode having a carbon film is formed.
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