Questions tagged [battery]
The battery tag has no usage guidance.
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Thermal batteries: Can the max temp inside a battery be greater than the heat pump max operating temp?
I'm curious about thermal batteries,
Let's say I have a heat pump with an maximum operating temperature of 100 °C, that is to say, the heat pump can "collect" thermal energy and heat its ...
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Why are there no UPS power supplies that use an external Automotive battery for storage?
What I've learned:
A: UPSs generally use sealed lead acid batteries, which use a slightly higher voltage to charge. Using an auto battery will result in the battery being in a slight state of ...
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Battery thermal loss
A copper bus bar is subject to a short circuit current of 500 A for 10 s. The section of the bus bar, through which the current flows, has a length L = 50 mm and a cross section of A = 20 mm^2. ...
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Charging a Battery Energy Storage System (BESS: 600MW/ 1200MWh) with a Higher rated Power Plant (1200MW)
A project mentions requirement of setting up a 1200MW solar power plant with atleast 600MW/1200MWh BESS system. The BESS is to be charged exclusively with solar power. My confusion is what if the ...
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Resulting pressure of batteries in series
Hi everyone we are working on a battery project and have the following question. What is the influence of stacking battery cells next to each other in a battery module on the resulting pressure ...
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Seeking Assistance with Solid State Relay and Arduino Nano Power Failure Solution
This is my first time, and I'm looking for guidance on my approach to a particular problem: ensuring that a Solid State Relay (SSR) closes whenever my Arduino Nano loses power. The SSR, powered by the ...
user47133
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Need help for Fire Detection System design
As a Building Services Engineering student, my current project involves the design of fire detection system of a newly-installed at-home EV charging system. The EV chargers are installed in the ...
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How much extra energy is needed to operate a large scale battery energy storage system (BESS)?
I am not asking about the energy that is actually stored inside the BESS, or the percentage that can be recovered from it. Neither am I asking about the efficiency of inverters, or transmission losses....
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Increasing energy density for flow batteries with water based electrolyte?
Given a flow battery with a water based electrolyte, would it be possible to increase the energy density of battery by precipitating the redox active species from the anolyte and catholyte solutions? ...
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Trying to understand Nathan Stubblefields 1898 American Patent #600,457
I find this solenoid to be intensely interesting. It has a number of unique properties:
The coil wire is made from dissimilar metals so that the voltage is internally produced in the coil.
The ...
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Are two solars panels more efficient than only one of twice the power output?
Is there any advantage to use two 50 W solar panels in parallels instead of one 100 W panel?
As we know, the effect of partial shadow on a solar panel can make the whole panel ineffective. We want to ...
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Connecting Busbars Safely
I would like to design a 500-700V battery system such that I can laser weld a subset/module (i.e. a building block of ~12 cells each) with an open terminal on each end. This way, I can jump the ...
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For Electric vehicles, HOW are miles per gallon equivalent (or L/100 km) are calculated, accounting for different sources of energy in the grid?
Could someone giver a clear and authoritative answer on HOW miles per gallon equivalent (or L/100 km) are calculated for battery electric vehicles like the Tesla Model 3 AWD long range?
On the ...
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Heat generation mathematical model for Li-ion battery to design a BTMS
I have decided to work on a project in which I have to design a hybrid battery thermal management system (BTMS) for which I need to first model the heat generation from Li-ion batteries. Therefore I ...
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What are parameters are to be considered while selecting Battery Management System?
what are factors to be considered while selecting bms? Does the BMS required change with cell chemistry and cell geometry? if yes, how does it depend. and also How do we determine the placement and no....
