[Stoves] Op-Ed - Realizing the Benefits of Combined Heat and Power Systems

Fri Jun 4 00:14:26 CDT 2021

Wow, that does sound like a breakthrough! Can you link to a reference?
Press release, patent application?

My first attempts at asking Google aren't turning up what you describe.

Thank you,
-David

On Thu, Jun 3, 2021 at 7:53 PM Crispin Pemberton-Pigott <
crispinpigott at outlook.com> wrote:

> Dear David
>
> It is a little to describe without drawings but essentially it is like
> this:
>
> A regular TEG creates current across the line of contact between the two
> metals that are heated and cooled, that is, along the glue that joins them.
> As a result the generator is a large number of tiny generators soldered
> together, directing the electricity towards the cold side.
>
> The new invention produces a current in the same direction as the heat
> flow. As a result the generator occupies the entire surface and is not made
> of a lot of tiny parts. The whole surface is "generator" and it has no
> circuitry. There is therefore a far simpler fabrication process. I
> understand it is baked twice, first at more then 1100 C then again higher.
> It means it will be able to operate in a flame environment as far as I
> conceive it. Being cooled continuously on the back means the front face
> could be very hot so no need for thermal bonding.
>
> All these features indicate a game-changer for off-grid generation.
> Imagine a bit attached to your car's exhaust pipe generating 50 or 100 kW.
>
> Regard
> Crispin
>
> *From:* david at aprovecho.org
> *Sent:* June 3, 2021 2:18 PM
> *To:* stoves at lists.bioenergylists.org
> *Reply to:* stoves at lists.bioenergylists.org
> *Subject:* Re: [Stoves] Op-Ed - Realizing the Benefits of Combined Heat
> and Power Systems
>
> Thank you Crispin,
>
> Can you share any information on the TEG breakthrough?
>
> Best,
> -David
>
>
> On Wed, Jun 2, 2021 at 8:41 PM Crispin Pemberton-Pigott <
> crispinpigott at outlook.com> wrote:
>
>> Dear Friends
>>
>>
>>
>> This is really of interest to people living in Ontario, however it points
>> a way forward to include more biomass-fired heating and cogeneration of
>> electricity.
>>
>>
>>
>> It is public knowledge and posted here to stimulate discussion.
>>
>>
>>
>> There is a new technological breakthrough for Thermoelectric Generators
>> (TEGs) which should hit the market in a few years.  It gives a dramatic
>> improvement in conversion efficiency (heat to electricity).  According to
>> disparate sources, the efficiency might be in the range of 35% and the cost
>> is slashed.  We can talk of $100 per KW for the modules.
>>
>>
>>
>> The laws in Ontario have been updated with advice from the CSA technical
>> committee rewriting B415.1 – the standard for space heating appliances that
>> burn wood.  There is even a new method for assessing the emissions of
>> site-built masonry heaters in B415.1.  The general idea is to promote wood
>> fuel over diesel in remote communities.
>>
>>
>>
>> As new TEGs become available, it is a very attractive option and smaller
>> and smaller scale.
>>
>>
>>
>> Regards
>>
>> Crispin
>>
>>
>>
>> *From:* Malcolmson, Heather (MECP) <Heather.Malcolmson at ontario.ca>
>> *Sent:* Tuesday, June 01, 2021 14:51
>>
>>
>>
>> Please find attached an opinion editorial by Minister of the Environment,
>> Conservation and Parks, Jeff Yurek, highlighting the benefits of combined
>> heat and power systems in Ontario and the province’s commitment to support
>> them. We hope that you will enjoy this article and also share it with your
>> membership, through newsletters, direct email or on your websites. As you
>> know, the decision posting on the Environmental Registry is live, and we
>> want to reach as many people as possible, to raise awareness of this
>> important initiative.
>>
>>
>>
>> The province remains committed to making the approval and implementation
>> of CHP technologies as efficient a possible. As you know, the changes
>> Ontario has brought forward help to match up the required level of
>> approval with other comparable energy technologies and environmental
>> impacts, saving businesses and communities time and money, all while
>> ensuring appropriate environmental protections are in place.
>>
>>
>>
>> We hope that you will share this article with your membership. If you
>> receive questions, please keep us informed through an email to
>> enviropermissions at ontario.ca
>>
>>
>>
>>
>>
>> Thank you,
>>
>>
>>
>>
>>
>> *Heather Malcolmson*
>>
>> Director, Client Services and Permissions Branch
>>
>> Ministry of the Environment, Conservation and Parks
>>
>> Phone: 416-302-4063 (cell)
>>
>>
>> _______________________________________________
>> Stoves mailing list
>>
>> to Send a Message to the list, use the email address
>> stoves at lists.bioenergylists.org
>>
>> to UNSUBSCRIBE or Change your List Settings use the web page
>>
>> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fmailman%2Flistinfo%2Fstoves_lists.bioenergylists.org&data=04%7C01%7C%7C00bb9b7113c44dd7b2c808d926ccc64a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637583483202797765%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=2%2FacUlML1SDIT4kMP1EHgB4UJLO0PuvcLy%2FCdKy1b1U%3D&reserved=0>
>>
>> for more Biomass Cooking Stoves,  News and Information see our web site:
>> http://stoves.bioenergylists.org/
>> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fstoves.bioenergylists.org%2F&data=04%7C01%7C%7C00bb9b7113c44dd7b2c808d926ccc64a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637583483202807763%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=sNfYecLd3td40TMIa1%2BaUDwA9muvvF9tVHNsAC1EUJs%3D&reserved=0>
>>
>>
>
> --
> David Evitt
> COO
> ASAT Inc. DBA StoveTec
> (Aprovecho Research Center)
> jet-flame.com
> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fjet-flame.com%2F&data=04%7C01%7C%7C00bb9b7113c44dd7b2c808d926ccc64a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637583483202807763%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=L73SYn7WO%2BMRYKqHxR3iM9e6hEq1TQbrX5Y3pUsifNk%3D&reserved=0>
> aprovecho.org
> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Faprovecho.org%2F&data=04%7C01%7C%7C00bb9b7113c44dd7b2c808d926ccc64a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637583483202817752%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=4LKiFj9XqdVtHHz5ae4dTOE%2FVexpBTrj6qGdr1cSzsQ%3D&reserved=0>
> stovetecstore.net
> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fstovetecstore.net%2F&data=04%7C01%7C%7C00bb9b7113c44dd7b2c808d926ccc64a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637583483202817752%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=oPITEAHIQJyAUH%2Ben7NYbY10mUK2G1rtTcehXJLbktk%3D&reserved=0>
> Newsletter http://aprovecho.org/newsletter-signup/
> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Faprovecho.org%2Fnewsletter-signup%2F&data=04%7C01%7C%7C00bb9b7113c44dd7b2c808d926ccc64a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637583483202827753%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=WJHThYR62V01nAN%2BmMn4oxe2haaf9%2BGHLIupheZzN0g%3D&reserved=0> Subscribe
> for new developments
> _______________________________________________
> Stoves mailing list
>
> to Send a Message to the list, use the email address
> stoves at lists.bioenergylists.org
>
> to UNSUBSCRIBE or Change your List Settings use the web page
>
> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>
> for more Biomass Cooking Stoves,  News and Information see our web site:
> http://stoves.bioenergylists.org/
>
>

-- 
David Evitt
COO
ASAT Inc. DBA StoveTec
(Aprovecho Research Center)
jet-flame.com
aprovecho.org
stovetecstore.net
Newsletter http://aprovecho.org/newsletter-signup/ Subscribe for new
developments
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20210603/33502f15/attachment.html>