Talk:Molten-salt battery

message: I quote, "The higher the potassium perchorate level, the higher the heat output (nominally 200, 259, and 297 calories/gram, respectively)." Is this actually calories or kilocalories? Oil is approx. 8-9 kilocalories/gram for comparison. So the perchlorate (I assume perchorate -missing L- was a typo) is either much higher or lower. The solution is to give the answer in Joules and not mix English and metric units (calories and grams). 169.237.215.179 (talk) 23:49, 21 July 2008 (UTC)
thread_title:  Calories or Kilocalories? 

message: I came to this page via a line on the page for the Paveway LGB. Do most military missiles use a thermal battery liek this? Might be worth mentioning on page. 
Wfoj2 (talk) 15:59, 21 September 2008 (UTC)
thread_title:  Molten Salt battey/ Thermal Battery- Weapons/Missile Engineering 

message: How about usefulness in electric cars?  Would the requirement to keep charging be a problem?  Could it be kept thermally insulated when not in use?  —Preceding unsigned comment added by 68.165.11.43 (talk) 14:15, 2 April 2009 (UTC)
thread_title:  Cost effectiveness in electric cars?  

message: It's usefulness in electric cars is excellent for electric cars in use, and less so for cars that are infrequently used. Zebra does not discharge, ever! Though it does cool down if it isn't used or heated. This distinction is not important if the car is never used, as the charger keep the battery hot. If the combined losses in the battery in use is about 20% a day (during charging, acceleration and regenerative braking), no heating or cooling of the battery is necessary. This would be quite normal in use. If the combined losses is higher fans keep the internal temperature below 350C. This would be quite normal if the driver is fond of speed. LiFePO4 prefer cold temperatures and is cooled even when stationary, and more so when used. Other Lithium based chemistry needs even more cooling. Losses is dependent on ambient temperature and increases with temperature and use.
Fossil ICE have losses at about 60% for diesel and 70% gas, in ideal conditions. Real life losses is often more than 90% (due to no regenerative braking and other factors). Hydrogen fuel cell have losses about 75% in ideal conditions, excluding charger/electronics/engine (losses both in hydrogen generation and in the fuel cell). Hydrogen ICE have horrendous efficiency (losses both in hydrogen generation and in the ICE)
Plug to wheel efficiency:
*Zebra 80% or so.
*LiFePO4 80% or so.
*Hydrogen fuel cell 25% or worse.
*Hydrogen ICE horrendous.
Pump to wheel efficiency:
*Gas 10 to 30%.
*Diesel 15 to 40%.
PolarNight (talk) 00:52, 26 November 2009 (UTC)
thread_title:  It's usefulness in electric cars is excellent 

message: How can the zebra battery be recharged..
can they directly be heated.using any source like CSP for example  — Preceding unsigned comment added by 202.138.120.38 (talk) 08:25, 5 October 2011 (UTC)
thread_title: Recharge the zebra battery 

message: In a December 2012 BBC interview, (http://www.bbc.co.uk/news/science-environment-20420557) Donald Sadoway described the basic version of his battery which used magnesium for the top layer and antimony for the bottom layer as "generation zero".  He said "We now have chemistries that we're calling fourth generation, fifth generation."  Maybe the heading for this section "Magnesium–antimony cells" is no longer correct?  Not sure what it should be called instead.SylviaStanley (talk) 12:11, 6 December 2012 (UTC)
thread_title:  Ongoing research  - Magnesium–antimony cells? 

message: Under the heading Na-NiCl2 the section of SONIC reads like an advertisment blurb. Shouldn't it be edited to be more neutral in tone? Linkato1 (talk) 02:59, 1 February 2014 (UTC)
replies: text: Agreed. Have trimmed content. PeterEastern (talk) 23:27, 16 December 2014 (UTC)
thread_title:  Is the SONIC section an advertisement? 

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thread_title:  Blacklisted Links Found on the Main Page 

message: I have given the article a bit of a rework to:
*Shorten and focus the lead
*Separate discussion of the technologies from the applications
*Move discussion of the emerging Magnesium–antimony/Lead-antimony batteries into the main section on rechargeable batteries
*Remove the rather uninformative image (related to the Zebra battery) and the related info box
*Move detailed discussion of Magnesium–antimony/Lead-antimony batteries from lead to relevant section
PeterEastern (talk) 21:22, 16 December 2014 (UTC)
thread_title:  Cleanup and reorganisation 

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thread_title:  External links modified (January 2018) 

message: There is almost nothing in common (in terms of applications) between the two types. We should split the article.
Note that thermal battery is currently used for a thermal, not electrical, application. As it's not clear which of these would be primary, we probably need to disambiguate both. Andy Dingley (talk) 21:49, 5 March 2019 (UTC)
thread_title:  Split rechargeable, vs. single-use 

message: A variant suggested by "heat pack" technology is to use a cell where one component is a sodium acetate derivative in a sealed pouch. Careful chemistry would be needed here but as these routinely get to over 100 Celsius internal temperature it would be enough in a small pack to generate a thermal burst capable of liquifying selected low melting point alloys like PbBi. This would also be somewhat rechargeable as to regenerate would require heating the entire cell in its depleted state to over 100 Celsius and slowly cool then recharge at the same time in a multi-step process. Laser or sonic initiation has been suggested as a novel method.  — Preceding unsigned comment added by 88.81.156.140 (talk) 16:28, 18 March 2021 (UTC)
replies: text: Not done:  it's not clear what changes you want to be made. Please mention the specific changes in a "change X to Y" format and provide a reliable source if appropriate. Fountains of Bryn Mawr (talk) 00:48, 22 March 2021 (UTC)
thread_title:  Possible novel variant? 

message: Hello, i have noticed that the section "Liquid-metal batteries" has not been updated in several years.
For what i have seen, Ambri https://ambri.com/ has developed a calcium amtimony liquid metal battery and has reached the point to be used in real aplications, as a data center in Nevada. https://www.energy-storage.news/news/ambris-liquid-metal-battery-to-be-used-at-desert-data-centre-in-nevada 
Can someone update this part?  — Preceding unsigned comment added by 213.181.85.55 (talk) 16:15, 6 April 2021 (UTC)
thread_title:  Calcium/antimony - liquid metal battery