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Barchart
Tony Daltorio

1 Apple Supplier to Buy on Its Solid-State Battery Breakthrough

A major supplier of batteries for Apple’s (AAPL) iPhone - namely, Japan’s TDK Corporation (TTDKY) - claimed several weeks ago that it had made a major breakthrough in the materials used in small solid-state batteries.

TDK was founded in 1935 as a provider of ferrite cores used to improve radio reception. The material did the same for TV reception and then recording on cassette tapes. It still forms a major part of the business today, for products such as transformers.

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