Lithium Ion Capacitors?

Body

Anyone done anything with these yet?

"Lithium Ion Capacitors are hybrid capacitors that combine the
properties of an electrical double-layer capacitor, with a lithium
rechargeable battery. The positive electrode has the physical
adsorption (surface) properties of an electric double-layer capacitor,
while the negative electrode has the oxidation reduction reaction of a
lithium rechargeable battery.

By doing this the merits of both systems: the long life of an
electrical double-layer capacitor, and the high capacity of a Lithium
Ion rechargeable battery; are realized in one capacitor.

Lithium Ion Capacitors, with technology that pre-dopes the negative
electrode with Lithium Ions in advance it is possible to use a high
voltage of 3.8V."

Due note that these devices have a MINIMUM working voltage, which
going below will damage and eventually destroy the device.  Typically
2.5V.

I've often thought of building a Tesla Switch using four of these and
a common-base transistor configuration to switch devices between
parallel and series, as these have not plates to fatigue.  Someday
I'll get enough round-to-its... :-(

Sadly the 100F and 270F are now hard to get, and may have been discontinued.

https://www.yuden.co.jp/ut/solutions/lithium_ion/

https://www.mouser.com/new/taiyo-yuden/taiyo-yuden-lithium-ion-capacitors/

http://ds.yuden.co.jp/TYCOMPAS/ut/detail.do?productNo=LIC1030RS3R8206&dataUnit=M


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