How the Aluminium Oxide layer on Battery Terminals affect the performance?

Hello Everyone, I am currently optimizing the production process for the battery packs. I would like to know how the great the increase in contact resistance with an aluminium oxide layer on the...

21 May 2019 2,782 3 View

Why DCIR value changes in the Battery?

I am using LiFePO4 battery, I measured DCIR using the discharge pulse. I found that the measured value of DCIR changes with respect to both pulse current and SOC. I provided adequate rest period...

28 January 2019 5,227 4 View

How to measure the energy consumption by DC system?

I am designing Battery pack for a DC system. In order to find out the capacity required for the system, I need to calculate the energy requirement (Variable load, Idle condition). Since the...

10 September 2018 9,766 8 View

How to test BMS?

I would like to know how a BMS from a different Manufacturer can be tested? I want to make sure whether the BMS works as per our requirement and also ensure its operation as per the data...

08 May 2018 5,204 3 View

What is Battery Size Factor? when it should be used?

Hello Everyone, I would like to know what is Battery Size Factor? How it is related to Battery Testing and when it should be considered? Thanks in advance

29 April 2018 7,871 4 View

How to find out diffusion coefficient using warburg impedance?

11 September 2017 1,196 13 View

How to infer the data of Oscillation Amplitude Sweep?

04 September 2017 4,820 3 View

How to differentiate RC element from Warburg element in DRT?

In Distribution of Relaxation Time, how to differentiate whether the peak corresponds to a RC element or Warburg element?

06 September 2016 8,285 12 View

How to interpret data from Impedance spectra?

I have started working on modification of test cell for lithium spinel cathode using Electrochemical impedance spectroscopy. I am an absolute beginner to this technique and it is very hard for me...

02 August 2016 2,843 4 View

Why there is no oxygen evolution in olivine electrodes?

unlike metal oxide layered and spinel oxide electrodes, why olivine structure does not show any oxygen decomposition behavior?

14 February 2016 9,798 4 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

What is the difference between AC conductivity and DC conductivity? Is AC conductivity = ionic and DC conductivity = electronic?

I am reading papers on batteries and although mostly people have reported ionic conductivity in Scm-1 but some have reported DC conductivity as well I and am confused as to what that is. Any help...

21 February 2021 9,207 6 View

Where can the fault diagnosis data set of lithium battery be found?

Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...

21 February 2021 8,659 1 View

Not able to charge-discharge Li-ion coin cell at higher C rate ?

I am working on cathode material. I have made different Li-ion coin cell against Li metal using commercial available cathode materials such as LCO,LMO, LFP and NMC and also with the lab...

18 February 2021 1,450 3 View

Is there a paper that shows the effect of the thermal conductivity of solid electrolytes on lithium secondary batteries?

I want to know the effect of thermal conductivity characteristics of solid electrolytes on the all-solid battery, but I don't know which paper to refer to. Is there a paper on thermal behavior?

15 February 2021 8,806 2 View

Why the battery connected on the load side for storing purpose is taking the volatge /current at whatever rating it is given in matlab simulation?

I am designing a DAB DC DC Converter and when I am connecting a battery block in Matlab and fix its specification lets say 350 V and 25 A, when I am giving input as 600V, Battery would charge to...

11 February 2021 3,110 1 View

How to get actual or true SoC while predicting SoC for Batteries using Data Driven Approaches?

I have seen it in multiple research articles that authors use certain approaches to predict electric vehicle battery's state of charge(SoC) and then they compare it with battery's true SoC. So I...

11 February 2021 9,070 3 View