Hi Neil

If you had done a search of the forum you would have found that we have already have a thread discussing Xsorb in some detail.

Perhaps you are in a position to add to that discussion, I would however draw your attention to the restrictions placed on commercial representatives spamming their products on this forum.

You can find the details here.

http://www.greenbuildingforum.co.uk/forum114/comments.php?DiscussionID=584&page=1

Thanks Chris I don't mean this to be a commercial advertising event, far from it. But I have taken not of your advice thank you.
I have indicated "SOME" of the possibilities of the product.
With a forum such as this with such a wide diversity of interests and all with the same goal I am looking for more ideas in with we can utilize the product.
For example only yesterday someone stated to me the benefits of cooling and getting heat from computer rooms, also cooling solar to make panels more efficient and YES a Heat pump with a COP of 14.
Heat storage has been a huge problem, I am just looking for help in its possible diverse applications AND to help people understand how we can store heat at room temperature.
I feel this could be biggest leap in technology for some time, and I also feel it is up to people like us to get this out there to cut emissions before it is too late.

I appreciate the enthusiasm for the product, but the claim that this is the "worlds first heat battery" doesn't stand up to scrutiny I'm afraid, so it probably isn't an idea to include it in advertising without some qualifying remarks.

Chemical and phase change heat storage (in effect a "heat battery") has been around for decades (arguably thousands of years in the case of some applications), and has been used in a multitude of commercial products, including mundane applications like self-heating cans of food. Many chemical compositions that are able to either undergo phase change energy storage or reversible chemistry energy storage (using heat as the input/output energy form) have been known of for a long long time. This isn't new or novel, unfortunately.

I accept that using this chemistry for large scale heat storage is a new application of these compounds, but in my view it seems hard to justify the claim that this is the "worlds first heat battery" just on the scale of the application.

That's not to say this particular application is not promising or perhaps of value, BTW, it's just highlighting that the ASA may have issues with advertising claims such as the "worlds first" unless they are a bit more carefully worded and qualified.

I think first patents for this sort of thng were issued so long ago they have expired. If I remember correctly it can be difficult to control the release of energy from a phase change battery?

Posted By: JSHarrisYou're right, phase change is hard to control, but chemical energy storage, using a reversible reaction, is much easier to control. There are a wide range of endothermic/exothermic reversible reactions that could be utilised, but some use compounds that are relatively unpleasant. The most promising ones for domestic scale heat storage are those that use something fairly inert, like water, as the compound that's adsorbed and released.

Adsorption storage, like xsorb, is phase change storage, not a chemical reaction. It's all about water vapour changing into liquid, or even a semi-solid state (i.e where its movements are constrained by the geometry of the material).

I think it would be useful for Neil (EcoMind) to review the other thread and hopefully be able to answer some of the questions we asked. It seems to me that what we're looking for are some of the facts behind the product.

Excellent, will we see the results of the trial from yourselves and/or Bath in due course? A lot of people would be interested to see how it performs, I'm sure. Big claims are fun, but hard data is the bottom line.

Posted By: EcoMindThe system will require a boost from a PV-T system to recharge/charge the cells. The system will be able to both heat and cool the property all year and rely totally on solar energy.

How do you get the PV-T to perform all year round?