BatteryDesign
@batterydesign.bsky.social
Everything in batteries from chemistry to packs to application systems. BatteryDesign.net is here to support designers with information, ideas, benchmarks and guides.
www.batterydesign.net
September 18, 2026 at 1:34 PM
A fabulous article by @ukbic.bsky.social that also gives an insight into their capabilities: www.batterydesign.net/understandin... #Battery #Manufacturing
Understanding and Eliminating Electrode Overlap Issues - Battery Design
Maintaining adequate overlap, whereby the anode active area overlaps the cathode, is critical to achieving uniform current distribution and consistent electrochemical performance.
www.batterydesign.net
August 13, 2026 at 8:33 AM
A fabulous article by @ukbic.bsky.social that also gives an insight into their capabilities: www.batterydesign.net/understandin... #Battery #Manufacturing
www.batterydesign.net/catls-dual-v... with wide prismatic cells two vents might be required to ensure the cells don't rupture before venting #Battery #Lithium #Safety
CATL's "Dual Vent" Prismatic Cell - Battery Design
CATL's automotive-grade NMC811 prismatic cell ships with a headline safety feature: a "Dual Vent Safety Design."
www.batterydesign.net
August 12, 2026 at 12:28 PM
www.batterydesign.net/catls-dual-v... with wide prismatic cells two vents might be required to ensure the cells don't rupture before venting #Battery #Lithium #Safety
Urban Mining: The Richest Ore Deposit You’ve Ever Thrown in a Drawer www.batterydesign.net/urban-mining...
Urban Mining: The Richest Ore Deposit You've Ever Thrown in a Drawer - Battery Design
Somewhere in your house is a drawer full of dead phones, old laptop chargers, and a cable for a device you no longer own.
www.batterydesign.net
July 28, 2026 at 8:40 AM
Urban Mining: The Richest Ore Deposit You’ve Ever Thrown in a Drawer www.batterydesign.net/urban-mining...
How about we use the battery pack database to construct a pack charge time estimator? Well, we've done just that www.batterydesign.net/ev-pack-char...
EV Pack Charging Time - Battery Design
A pack charging time estimator built using the Electric Vehicle packs in the Battery Pack Database.
www.batterydesign.net
July 19, 2026 at 1:56 PM
How about we use the battery pack database to construct a pack charge time estimator? Well, we've done just that www.batterydesign.net/ev-pack-char...
4th Generation LFP www.batterydesign.net/4th-generati... The progression from 3rd to 4th generation is a shift from simple to complex production, from general-purpose to precision-oriented equipment, and from mass-market to high-end product positioning. It's not a chemistry change.
4th Generation LFP - Battery Design
4th generation LFP is the point at which this became a genuinely high-precision, high-barrier-to-entry manufacturing problem rather than a simple powder upgrade.
www.batterydesign.net
July 15, 2026 at 9:21 AM
4th Generation LFP www.batterydesign.net/4th-generati... The progression from 3rd to 4th generation is a shift from simple to complex production, from general-purpose to precision-oriented equipment, and from mass-market to high-end product positioning. It's not a chemistry change.
The A to Z of Battery Design has made it into print as a paperback and available now from Amazon www.amazon.co.uk/Z-Battery-De...
July 6, 2026 at 2:17 PM
The A to Z of Battery Design has made it into print as a paperback and available now from Amazon www.amazon.co.uk/Z-Battery-De...
www.batterydesign.net/safety/failu... FMEA in Battery Design, worked examples and a free worksheet template #battery #FMEA
Failure Mode and Effects Analysis (FMEA) in Battery Design - Battery Design
Failure Mode and Effects Analysis (FMEA) is a structured method for identifying how a component, process, or system can fail, what happens when it does, and how likely that failure is to reach a custo...
www.batterydesign.net
July 5, 2026 at 12:50 PM
www.batterydesign.net/safety/failu... FMEA in Battery Design, worked examples and a free worksheet template #battery #FMEA
www.batterydesign.net/the-three-pi... Real battery safety emerges from the interplay of three distinct but interdependent pillars: 1.compliance certification, 2. design for safety, 3. the battery control system #Battery
The Three Pillars of Battery Safety - Battery Design
Lithium-ion batteries power modern life, from the phone in your pocket to the electric vehicle in your driveway to the grid-scale energy storage facility humming at the edge of town.
www.batterydesign.net
July 3, 2026 at 9:49 PM
www.batterydesign.net/the-three-pi... Real battery safety emerges from the interplay of three distinct but interdependent pillars: 1.compliance certification, 2. design for safety, 3. the battery control system #Battery
www.batterydesign.net/idealised-ny... In a real-world teardown or structural review, analysing how these specific features shift under different states of charge or temperatures reveals exactly which component of the battery architecture is limiting performance. #Battery #Chemistry
Idealised Nyquist Plot of a Lithium Ion Battery - Battery Design
It is useful to look at an idealised Nyquist Plot of a lithium ion battery. Starting with a detailed, feature-by-feature description of the idealised Electrochemical Impedance Spectroscopy (EIS) Nyqui...
www.batterydesign.net
July 1, 2026 at 9:03 AM
www.batterydesign.net/idealised-ny... In a real-world teardown or structural review, analysing how these specific features shift under different states of charge or temperatures reveals exactly which component of the battery architecture is limiting performance. #Battery #Chemistry
www.batterydesign.net/new-insights... Led by Dr. Galo J. Páez Fajardo and Professor Louis F. J. Piper, the paper addresses a fundamental question in battery science: how exactly do lithium-ion battery cathodes store and release energy at the sub-nanoscale?. #Battery #Chemistry
New Insights into how Cathodes Store Energy - Battery Design
Led by Dr. Galo J. Páez Fajardo and Professor Louis F. J. Piper, the paper addresses a fundamental question in battery science: how exactly do lithium-ion battery cathodes store and release energy at ...
www.batterydesign.net
June 30, 2026 at 7:34 AM
www.batterydesign.net/new-insights... Led by Dr. Galo J. Páez Fajardo and Professor Louis F. J. Piper, the paper addresses a fundamental question in battery science: how exactly do lithium-ion battery cathodes store and release energy at the sub-nanoscale?. #Battery #Chemistry
Simple Creepage and Clearance calculator
www.batterydesign.net/creepage-and... gives indicative minimum distances based on IEC 60664-1:2020 and ISO 21498:2021 table lookups with linear interpolation. #electrical #ev
www.batterydesign.net/creepage-and... gives indicative minimum distances based on IEC 60664-1:2020 and ISO 21498:2021 table lookups with linear interpolation. #electrical #ev
Creepage and Clearance Calculator - Battery Design
A simple creepage and clearance calculator, providing indicative minimum distances based on IEC 60664-1:2020 and ISO 21498:2021 table lookups with linear interpolation.
www.batterydesign.net
June 26, 2026 at 7:25 AM
Simple Creepage and Clearance calculator
www.batterydesign.net/creepage-and... gives indicative minimum distances based on IEC 60664-1:2020 and ISO 21498:2021 table lookups with linear interpolation. #electrical #ev
www.batterydesign.net/creepage-and... gives indicative minimum distances based on IEC 60664-1:2020 and ISO 21498:2021 table lookups with linear interpolation. #electrical #ev
A fabulous A to Z list of battery terminology, articles and information www.batterydesign.net/a-to-z/ #Batteries #BatteryPack #Blog
June 24, 2026 at 10:12 PM
A fabulous A to Z list of battery terminology, articles and information www.batterydesign.net/a-to-z/ #Batteries #BatteryPack #Blog
www.batterydesign.net/four-wire-ke... A typical 0.5–1m test lead pair, including probe contact resistance, contributes on the order of 50–300 mΩ. Set against typical battery hardware joints of 10µΩ to ~300µΩ and this parasitic resistance can be 100 to 1000 times larger than the value being measured.
Four-Wire (Kelvin) Resistance Measurement - Battery Design
A practical reference for sub-milliohm resistance testing in battery pack hardware: cell tab welds, busbar joints, contactor and relay contacts, and BMS current shunts.
www.batterydesign.net
June 22, 2026 at 9:53 AM
www.batterydesign.net/four-wire-ke... A typical 0.5–1m test lead pair, including probe contact resistance, contributes on the order of 50–300 mΩ. Set against typical battery hardware joints of 10µΩ to ~300µΩ and this parasitic resistance can be 100 to 1000 times larger than the value being measured.
www.batterydesign.net/how-many-tem... In commercial Battery Management Systems (BMS), it is common practice to use one temperature sensor for every 4 to 20 cells, depending on the specific pack design. But what's the right number? #Battery #BMS #Control
How Many Temperature Sensors are Required? - Battery Design
The exact number of temperature sensors you need depends on the size of your battery pack, its physical configuration, rate of charge/discharge (C-rate), and the required level of thermal observabilit...
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June 20, 2026 at 8:27 AM
www.batterydesign.net/how-many-tem... In commercial Battery Management Systems (BMS), it is common practice to use one temperature sensor for every 4 to 20 cells, depending on the specific pack design. But what's the right number? #Battery #BMS #Control
The Battery A to Z is FREE to download as a pdf: www.batterydesign.net/downloads/ba... and contains 86 pages that we hope will help you in the battery world #batteries
Battery A to Z Glossary - Battery Design
Download the battery pack database and tools for calculating pack performance
www.batterydesign.net
June 17, 2026 at 1:50 PM
The Battery A to Z is FREE to download as a pdf: www.batterydesign.net/downloads/ba... and contains 86 pages that we hope will help you in the battery world #batteries
www.batterydesign.net/electrolyte-... LiPF6 concentration at the edges of the jelly roll dropped to below one fifth of the value at the centre of the cell, built up over repeated fast-charge cycling. #Batteries #Chemistry
Electrolyte Motion Induced Salt Inhomogeneity - Battery Design
the quantity of liquid electrolyte has to be very carefully controlled in such high-energy cells to avoid 'Electrolyte Motion Induced Salt Inhomogeneity' (EMSI)
www.batterydesign.net
June 16, 2026 at 7:40 AM
www.batterydesign.net/electrolyte-... LiPF6 concentration at the edges of the jelly roll dropped to below one fifth of the value at the centre of the cell, built up over repeated fast-charge cycling. #Batteries #Chemistry