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-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of David Miller via EV
Sent: Tuesday, June 09, 2015 6:17 PM
To: Michael Ross
Cc: Electric Vehicle Discussion List
Subject: Re: [EVDL] Large Format NiMH Battery Patent Expirations?
T
My understanding of the situation is that it's not illegal to manufacture
NiMH batteries. You could do it yourself for your own EV, assuming you had
the materials and equipment.
The law enters when you try to SELL your batteries. This is one of those
"intellectual property" deals. The rights
Illegal may be too strong a word, but the NiMH patents were purchased by a
group including Texaco and Chevron that refused to license the cells in any
format large enough to use in a plug-in vehicle. You wouldn't be facing jail
time, but you could face huge lawsuits if you manufactured cells wi
t has NiMH cells and this would be great.
Thanks
Rush
Tucson AZ
> -Original Message-
> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Michael Ross via EV
> Sent: Tuesday, June 09, 2015 5:39 PM
> To: David Miller; Electric Vehicle Discussion List
> Subject: Re:
Thanks Michael!
As to the legality of manufacturing and selling Large Format NiMH:
http://en.wikipedia.org/wiki/Patent_encumbrance_of_large_automotive_NiMH_batteries
Battery reconditioning? I'd need to pull the batteries and find another
vehicle. At 65
hours per cycle, 3 cycles per cell and
David,
NiMH can recover capacity by charging and discharging to a particular
protocol. The electrode gradually grows into a surface that has less
surface area and the "crystalline" structure can be regrown into a better
configuration. We have a community college in the western part of the
state t
Hi All!
I drive a 2002 Toyota Rav4-EV. Yes, the one with
24 NiHM Panasonic EV-95 batteries! Patents by Cobasys, Ovonics,
Texaco, Chevron, BASF,
The pack has pushed 131 thousand miles over 13 years. It has
dropped to around 65% original capacity. Power is similarly limited.
Last year I
