I believe the real push here is getting photovoltaic from common elements. To
reduce cost and increase availability NickSent from my Galaxy
-------- Original message --------From: EV List Lackey via EV
<ev@lists.evdl.org> Date: 2022-06-28 5:32 p.m. (GMT-05:00) To: Electric
Vehicle Discussion List <ev@lists.evdl.org> Cc: EV List Lackey
<evp...@drmm.net> Subject: Re: [EVDL] 1000 x solar break through. On 28 Jun
2022 at 10:18, Peter Eckhoff via EV wrote:> Might be that it's 1000% better
than silicon on a $/kw basis.> didn't have time to read the article.The posted
article is *not* saying that the experimental device is "1000% better than
silicon." It says, "Researchers at Martin Luther University Halle-Wittenberg
achieved an increase in the photovoltaic effect of ferroelectric crystals by a
factor of 10 by creating crystalline layers of barium titanate, strontium
titanate and calcium titanate, which they alternately placed on top of one
another."They discovered a possible theoretical improvement in ferroelectric
PV. Whether that will prove useful in real-world application remains to be
seen.I'm not an electrical engineer, so I'm not qualified to judge the value of
this research. However, what little I've read suggests that there's been quite
a lot of work lately on ferroelectric PV. This
pagehttps://www.science.org/doi/10.1126/sciadv.aat3438says that "Ferroelectric
materials for photovoltaics have sparked great interest because of their
switchable photoelectric responses and above-bandgap photovoltages that violate
conventional photovoltaic theory. However, their relatively low photocurrent
and power conversion efficiency limit their potential application in solar
cells."So this is just one of many projects looking for ways to improve the
efficiency of ferroelectric PV, which I read somewhere is typically around
2%.Is thist a "breakthrough"? Who knows? At the moment the article title is
pure clickbait.As for whether "it's the end of fossil fuels," it's probably
not. Slipping on my tinfoil hat here, even a 100% efficient PV device wouldn't
be the end of fossil fuels. As long as there's a drop of oil left and money to
be made from it, the petrocriminals will keep pumping the oil up, the money in,
and the CO2 out.David Roden, EVDL moderator & general lackeyTo reach me, don't
reply to this message; I won't get it. Use my offlist address here :
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