Solar Batteries

  https://www.wbur.org/tag/renewable-energy-holy-grail Searching For The Renewable Energy Holy Grail A series on the development of different energy storage technologies around the state of Massachusetts. A Low-Tech Approach To Energy Storage: Molten Metals A company in Marlborough believes it literally has the next hot technology in energy storage: molten metals. Play Local Coverage 07:19 Mar 27, 2017 This Battery Ingredient Is More Often Used In A Pie Than As A Power Source Flow batteries use metals that react to generate electricity. But two Harvard professors teamed up to produce power from organic molecules. Play Local Coverage 07:09 Jan 10, 2017 ------------ Molten metal batteries were presented by Don Sadoway https://jenksst.blogspot.com/2022/03/march-25-2021-don-sadoway.html   Watch it here or on YT: 

Article from 2016 -  https://www.wbur.org/news/2016/12/02/northfield-mountain-hydroelectric-station   Part of   a series   on new energy storage solutions being developed in Massachusetts  It was Boston-born Ben Franklin who first used the term "battery" to describe an electric storage device. Now, nearly three centuries later, Massachusetts is hoping to jump-start the development of new kinds of batteries to power the future. The state has launched a $10 million   Energy Storage Initiative . The 10-year goal: Save electric ratepayers hundreds of million dollars, make the electrical grid more reliable and resilient, and reduce greenhouse gas emissions. Today's batteries come in all shapes and sizes. The largest in New England -- and once the world -- was built 45 years ago and is still working. But it's hidden, on top and deep inside a mountain in north-central Massachusetts. 'Well, There's A Power Plant Underground' The upper reser...

Repurposing EV batteries.  https://www.greentecauto.com/blog   GreenTec also does mobile battery installs!  Big distribution and service coverage.

Great discussion of synchronization of local inverters: https://www.homemade-circuits.com/synchronized-4kva-stackable-inverter/ =======from the article======= Synchronized 4kva Stackable Inverter LAST UPDATED ON  AUGUST 3, 2020  BY  SWAGATAM   41 COMMENTS This first part of the proposed 4kva synchronized  stackable inverter circuit  discusses how to implement the crucial automatic synchronization across the 4 inverters with regards to frequency, phase and voltage to keep the inverters running independent of each other yet achieving an output that's on par with each other. The idea was requested by Mr. David. The following email conversation between him and me details the main specs of the proposed Synchronized 4kva Stackable Inverter Circuit. Email#1 Hi Swagatam, Firstly I wanted to say thank you for your contribution to the world at large, the information and most importantly your willingness to share your knowledge to help other people in my opinion is in...

https://www.quora.com/How-are-Tesla-batteries-made-Is-it-different-for-the-car-and-powerwall   How are they different?

 https://www.evtv.me/2018/12/03/solar-battery-frenzy/ This article talks about grid-interactive inverters to add batteries into a house solar powered, grid connected power system. =======article follows======== Solar Battery Frenzy 15 Comments   /  Uncategorized  / By  mjrickard The jist of our mirth revolves around making LARGE batteries out of Tesla Model S Battery Modules and using AC coupling from grid-interactive inverters to harvest sunshine into the batteries. We’re partying like rock stars at EVTV. This was widely reported as impossible. And it turns out it is not only possible, but very nearly inescapable. Indeed our primary issue of the moment is to get them to QUIT charging our batteries in controlled fashion In this episode, we hardwire our Powersafe100 battery/inverter/charger system into our shop power distribution system. A kind of pricey and physically large power switch let’s us quickly switch between running on grid power to running entirely on...

This blog will collect information about (re)using EV batteries for storing PV solar generated electricity for residential use.  A few key points: 1) Without a battery, if the grid goes down, my solar panels are useless - I cannot power my house on a sunny day because the panel output cannot be regulated when clouds pass by etc.  This has not been a problem, but with worsening weather (read: more extremes such as microbursts) the overall reliability of the electric power grid can only be expected to fall. 2) EV battery capacity far exceeds what is available from conventional sources of solar-connected batteries such as Sonnen (maximum of 30 kW for high end EcoLinx https://sonnenusa.com/en/sonnen-ecolinx/), ranging from smaller models at 10 kWh.  EV batteries range from 60 to 100 kWh https://ev-database.org/cheatsheet/useable-battery-capacity-electric-car and even if a 100 kWh Tesla battery has degraded to 70% (unusable?) capacity, it's still more than double the larg...