Supercap ups or downs

Battery industry analyst Mike Weighall reviews the overall size of the ultracap market in his report from the Intertech Pira capacitor meeting held earlier this year in San Diego.

It can be very difficult to estimate the current value of the ultracapacitor market. Annual reports issued by large companies such as Nippon ChemiCon tend to include ultracapacitors within the much larger market for conventional electrolytic capacitors. Private companies such as Nesscap are reluctant to disclose any details of their earnings. I had downgraded my own estimate of the current value of the market because Maxwell Technologies – who . . .