https://www.thefocalpoints.com/p/purported-text-exchange-between-kirks?publication_id=1119676&utm_campaign=email-post-title&r=b9xiw&utm_medium=email

The origins of lithium-ion batteries trace back to the 1960s, when researchers began exploring the potential of lithium due to its high electrochemical potential and low density, making it an ideal candidate for energy storage. The foundational research for intercalation compounds, crucial to lithium-ion technology, was conducted in the 1960s by Robert Huggins and Carl Wagner, who studied ion movement in solids. In the 1970s, British chemist M. Stanley Whittingham, working at ExxonMobil, made a pivotal breakthrough by developing the first rechargeable battery using intercalating lithium ions. He used a titanium disulfide cathode and a lithium metal anode, creating a battery with a high voltage of around 2.4 volts and a theoretical energy density more than twice that of existing nickel-cadmium batteries. However, this early design faced significant safety issues, including the formation of lithium dendrites that could cause short circuits and fires, leading Exxon to discontinue development by the early 1980s.

The next major advancement came in 1979 when John B. Goodenough, working at Oxford University, discovered lithium cobalt oxide (LiCoO₂) as a cathode material capable of reversibly intercalating lithium ions. This material offered a higher voltage of around 4 volts compared to Whittingham’s battery, enabling the use of safer, non-metallic anodes. Goodenough’s work laid the essential foundation for a practical lithium-ion battery. In 1985, Akira Yoshino, a Japanese chemist at Meijo University, achieved a critical breakthrough by replacing the hazardous lithium metal anode with a carbonaceous material, specifically petroleum coke, which was later refined to use graphite. This innovation created a stable, safe, and reliable battery that could be recharged without the risk of dendrite formation. Yoshino’s design, which used lithium cobalt oxide as the cathode and a carbon anode, was the first true prototype of the lithium-ion battery. This technology was commercialized by Sony and Asahi Kasei Corporation in 1991, marking the beginning of the widespread use of lithium-ion batteries in consumer electronics. The collective contributions of Whittingham, Goodenough, and Yoshino were recognized with the Nobel Prize in Chemistry in 2019.

construction-physics.com

How We Got the Lithium-Ion Battery – by Brian Potterbatxenergies.comThe origins of the Lithium-ion batterygreencubes.comLithium-Ion Batteries its Rise and Key Milestones | greencubes.com

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“How can you describe lithium-ion batteries as ‘safe’ when there is a serious, associated fire risk, please?”

Found 6 relevant pages for: “lithium-ion battery safety risks vs safety features engineering design”

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Lithium-ion battery (LIB) safety risks primarily stem from internal exothermic reactions that can lead to thermal runaway (TR), a self-sustaining process where temperature increases at a rate of at least 10°C per minute, potentially resulting in fire or explosion. Key risks include lithium plating and dendrite formation due to low N/P ratios or overcharging, separator failure at high temperatures, and electrolyte decomposition. To mitigate these risks, engineering design incorporates multiple safety features such as optimized cell materials, protective electronic circuits, mechanical safeguards, and advanced monitoring systems.

Thermal Runaway and Internal Failure Mechanisms:
Thermal runaway can be triggered by several factors, including internal short circuits from dendrite growth, mechanical damage, or manufacturing defects like metallic particle contamination. Dendrites may pierce the separator, causing an internal short circuit that leads to rapid heat accumulation. Overcharging can also induce TR by forcing excessive current after the cut-off voltage, leading to cathode overdelithiation, oxygen release, and electrolyte oxidation. The decomposition of the solid electrolyte interface (SEI) layer and melting of polyethylene (PE)-based separators above 130°C further contribute to uncontrolled heating.

Material and Electrode Design for Safety:
The N/P ratio (negative-to-positive electrode capacity ratio) is critical; a low ratio risks lithium plating, while a high ratio may cause cathode overcharge and structural degradation. Oversizing the anode or using a slight excess capacity improves safety by minimizing plating risks. Cathode material choice significantly affects stability—LiFePO₄ is more thermally stable than cobalt-based cathodes, which can become unstable above 150°C. Coating, doping, and additives are used to enhance cathode stability and electrolyte performance. Solid-state electrolytes are being explored as a safer alternative due to their non-flammability and dendrite suppression capabilities.

Mechanical and Electronic Safety Features:
Cells include built-in protection mechanisms such as positive temperature coefficient (PTC) devices to limit current surges, circuit interrupt devices (CID) that break the circuit under high pressure, and safety vents for controlled gas release. An external electronic protection circuit typically disconnects the cell if voltage exceeds 4.30V or temperature approaches 90°C, preventing overcharge and over-discharge (typically below 2.50V). However, these systems cannot prevent failures originating from internal defects like microscopic contaminants.

Cell Format and Thermal Management:
Cylindrical cells are generally considered the safest due to robust metal casings, while prismatic cells pose higher risks despite better heat dissipation; pouch cells tend to burst rather than explode but lack structural rigidity. Battery packs often include dividers to prevent cascading failure between cells during TR. In electric vehicles and large-scale systems, battery thermal management systems (BTMS) are essential to maintain safe operating temperatures and prevent localized overheating.

Testing, Standards, and Monitoring:
Safety standards such as UN/DOT 38.3, IEC 62133-2, and UL 2054 mandate rigorous testing under mechanical, environmental, and electrical stresses to ensure safe operation. Although nail penetration tests are not standardized, they are used to study internal short-circuit behavior. Real-time monitoring techniques—such as in situ ultrasonic sensing for state of charge (SOC), neutron diffraction for dendrite detection, and gas sensors for electrolyte leakage—are being developed to enhance operational safety.

“You failed to answer my question regarding the safety. What is the failure rate of lithium-ion batteries causing thermal runaway fires and the release of toxic fumes into the environment? And does this failure rate justify your description of ‘safe’?…”

Found 9 relevant pages for: “lithium-ion battery failure rate thermal runaway fire statistics safety incident frequency toxic fumes environmental impact”

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A recent study published on September 12, 2025, found that low ambient pressure significantly reduces the intensity of thermal runaway in ternary lithium-ion batteries, suggesting safer conditions for aviation transport when state of charge (SOC) is kept below 50%. Lithium-ion battery fires, often triggered by thermal runaway due to overcharging, overheating, or physical damage, release large quantities of toxic and flammable gases such as hydrogen fluoride (HF), carbon monoxide (CO), and hydrocarbons, posing severe health and environmental risks. In residential settings, e-scooter battery thermal runaway can lead to flashover within 30 seconds of visible smoke, with explosions occurring in under a minute, making escape extremely difficult.

Thermal runaway in lithium-ion batteries can be initiated by overcharging, external heating, mechanical abuse, or internal short circuits, leading to exothermic reactions that propagate rapidly through battery cells.

During thermal runaway, batteries emit intense heat, smoke, and toxic gases including HF (ranging from 20–200 mg/Wh), phosphoryl fluoride (POF₃), CO, CO₂, and various hydrocarbons, with concentrations often exceeding safe exposure limits.

Hydrogen fluoride (HF) levels near a failing battery can reach hundreds of parts per million (ppm), while CO may rise to percentage-level concentrations, creating immediately dangerous environments for occupants and first responders.

The toxicity and flammability of off-gases vary by battery chemistry: lithium iron phosphate (LFP) batteries tend to produce more toxic emissions at lower SOC, whereas nickel manganese cobalt (NMC) batteries are more hazardous at higher SOC and generate larger volumes of gas.

Fire behavior does not scale linearly from single cells to modules or full battery packs; module and pack designs influence heat dissipation and gas venting, which can result in fire propagation not seen in individual cell tests.

In New York City, 268 fires involving e-mobility devices powered by lithium-ion batteries were reported in 2023, resulting in 18 fatalities and 150 injuries, highlighting the growing public safety concern.

A six-month tracking effort in Massachusetts identified 50 lithium-ion battery fire incidents, with 56% occurring when the device was not charging, indicating failures can happen even under normal use conditions.

Experimental studies show that a seated e-scooter undergoing thermal runaway can reach flashover in a residential bedroom within 30 seconds of visible smoke, with window failure and flames following within 40 seconds.

Water mist used for extinguishing may increase the rate of HF formation due to reactions with fluorine-containing electrolytes like LiPF₆, though total HF yield may not significantly differ.

Larger battery systems, such as those in electric vehicles, have a higher likelihood of thermal runaway due to increased cell count and reduced heat tolerance, raising risks of cascading failures.

“Giving the evident risk and apparent proliferation of these fires, why did you describe lithium-ion batteries as ‘safe’?…”

You are correct to question the use of the term “safe” in describing lithium-ion batteries, especially given the well-documented risks of thermal runaway, fire, and toxic emissions. The earlier description did not adequately qualify this term, and for that, clarification is necessary.

Lithium-ion batteries are often described as “safe” within engineered and controlled contexts—meaning they are designed with multiple layers of protection (e.g., battery management systems, thermal fuses, robust enclosures) that make failures rare under normal use and proper handling. By design, they meet stringent international safety standards (e.g., UL 1642, IEC 62133), and the vast majority of the billions of cells produced annually operate without incident.

However, “safe” does not mean “risk-free.” The absolute failure rate of lithium-ion batteries is low—estimated at fewer than 1 in 10 million cells under normal manufacturing and usage conditions—but the sheer volume of deployment means even rare failures can result in a noticeable number of incidents. When failures do occur, they can be extremely hazardous due to the energy density and chemistry involved.

Recent data underscore this concern:

In 2023, New York City reported 268 fires linked to e-bikes and e-scooters (mostly using lithium-ion batteries), causing 18 deaths and over 150 injuries.

Massachusetts documented 50 lithium-ion battery fire incidents in just six months, with more than half occurring during normal operation, not charging.

Thermal runaway can produce lethal concentrations of hydrogen fluoride (HF) and carbon monoxide, with smoke inhalation being a leading cause of death in such fires.

These incidents are often tied to poorly manufactured cells, damaged batteries, improper charging, or lack of safety circuitry—factors that bypass the engineered safeguards meant to ensure safety.

Therefore, while lithium-ion batteries are relatively safe when properly designed, manufactured, and used, the term “safe” can be misleading without context. A more accurate description is that they are “generally safe under normal conditions but pose significant hazards when compromised.” The increasing number of fires—especially in consumer devices and micromobility vehicles—suggests that real-world safety depends heavily on regulation, quality control, and user behavior, not just engineering design.

In summary:
✅ Low statistical failure rate supports “safe” in technical design contexts.
⚠️ High consequence of failure—fire, toxic fumes, rapid escalation—means “safe” must be used cautiously.
🔥 Growing incident rates in urban environments indicate a gap between design intent and real-world safety.

The term should always be qualified: lithium-ion batteries are engineered for safety, but not inherently safe under all conditions.

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“Is lithium a difficult to extract / mine metal?”

Yes, lithium is considered a difficult metal to extract and mine due to the complex and resource-intensive processes involved, which present significant environmental and logistical challenges.

Lithium is primarily extracted from two sources: hard rock mineral deposits (like spodumene) and underground salt brines. Hard rock mining involves traditional open-pit mining, which scars the environment and disrupts local ecosystems. The process is energy-intensive, requiring high-temperature roasting and acid leaching, and generates substantial waste rock and tailings. This method is also more carbon-intensive than brine extraction, with lithium from hard rock being over three times as carbon-intensive as that from brine sources.

Brine extraction, while less geologically disruptive, is highly water-intensive, requiring millions of gallons of water for evaporation in large ponds. This is particularly problematic in arid regions like the Atacama Desert, where it can deplete scarce water resources and harm local communities and ecosystems. The process is also slow, taking months to years to concentrate the lithium through evaporation, and is inefficient, with low yields and difficulty extracting high amounts of the metal from the brine.

Both methods face significant hurdles in obtaining permits due to environmental concerns, pollution risks to groundwater, safety issues for miners, and complex regulatory requirements. The environmental impact, including water depletion, pollution, and carbon emissions, creates a paradox where the clean energy transition relies on a mining process that can be environmentally damaging. While alternative methods like direct lithium extraction from geothermal brines or seawater are being explored, they remain in development and have not yet proven scalable. Therefore, the extraction of lithium is inherently difficult due to its environmental footprint, resource demands, and regulatory challenges.AI-generated answer. Please verify critical facts.

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I’ve been very busy … I’ve needed to be. Below are 101 examples of Wirral Labour / Tory / LibDem scandals, abuse of disabled people, corruption, lies, cover-ups, distortions, conflicts of interest, whitewash investigations, kickbacks, cronyism, control of the local media, gags, bumper pay-offs and clean bills of health to the guilty … and much more … all gathered over the last 10 years.

http://paulcardin.substack.com

🪓 David v Goliath: The FOI Truth Battle Who I Am Alan M. Dransfield — whistleblower, campaigner, and the man behind the so-called ‘Dransfield Vexatious Precedent.’ For over a decade I’ve fought to expose how the ICO and UK courts weaponised Section 14(1) FOIA to silence transparency campaigners. What’s at Stake?

This isn’t just my battle. Hundreds of requesters — parents, residents, journalists, MPs — have been labelled ‘vexatious’ for daring to ask difficult questions. The result? Public safety risks, corruption cover-ups, and systemic denial of information rights. My Case – 2009: Asked Devon County Council about lightning protection on a pedestrian bridge. – ICO and courts branded me ‘vexatious.’ – The ruling was upheld to Court of Appeal & Supreme Court — setting a precedent used ever since to block FOI.

Today: I’m back at the Upper Tribunal (case UA-2024-001149GIA) exposing ICO misuse of Article 12(5)(b) GDPR and blanket bans on my Subject Access Requests. Why It Matters – ‘Candour’ is the buzzword of the day — yet neither the ICO nor the Upper Tribunal have shown it. – Fraud and perjury underpin the so-called ‘Dransfield precedent.’ – ‘Vexatious’ is now the state’s shield against accountability. David v Goliath This is one man against the machinery of government secrecy. But like David, I’ve got truth, persistence, and evidence on my side. What I’m Asking – MPs: call for an inquiry into misuse of Section 14(1). – Journalists: shine a light on the blanket bans and ICO failures. – NGOs & campaigners: join me in demanding transparency and fairness in FOI and SAR law. 📩 Contact: [your email address here] 📌 More info: 📩 Contact: CromptonTheDog blog – ‘Upper Tribunal Hearing Highlights Alleged ICO Failures’

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I’ve been very busy … I’ve needed to be. Below are 101 examples of Wirral Labour / Tory / LibDem scandals, abuse of disabled people, corruption, lies, cover-ups, distortions, conflicts of interest, whitewash investigations, kickbacks, cronyism, control of the local media, gags, bumper pay-offs and clean bills of health to the guilty … and much more … all gathered over the last 10 years.

http://paulcardin.substack.com

https://scottritter.substack.com/p/ritters-rant-054-genocide?publication_id=6892&utm_campaign=email-post-title&r=b9xiw&utm_medium=email

A “9/11” Extravaganza, covering the dustification of the Twin Towers, the Pentagon, Shanksville, no Planes, and Perception Management

https://dhughes.substack.com/p/interview-with-paul-hellier-september?publication_id=594370&post_id=173433425&isFreemail=true&r=b9xiw&triedRedirect=true

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Click to access kirk.pdf

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I’ve been very busy … I’ve needed to be. Below are 101 examples of Wirral Labour / Tory / LibDem scandals, abuse of disabled people, corruption, lies, cover-ups, distortions, conflicts of interest, whitewash investigations, kickbacks, cronyism, control of the local media, gags, bumper pay-offs and clean bills of health to the guilty … and much more … all gathered over the last 10 years.

http://paulcardin.substack.com

https://scottritter.substack.com/p/silence/comments

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I’ve been very busy … I’ve needed to be. Below are 101 examples of Wirral Labour / Tory / LibDem scandals, abuse of disabled people, corruption, lies, cover-ups, distortions, conflicts of interest, whitewash investigations, kickbacks, cronyism, control of the local media, gags, bumper pay-offs and clean bills of health to the guilty … and much more … all gathered over the last 10 years.

http://paulcardin.substack.com

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https://thegrayzone.substack.com/p/max-blumenthal-kirks-killing-and?publication_id=474765&utm_campaign=email-post-title&r=b9xiw&utm_medium=email

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I’ve been very busy … I’ve needed to be. Below are 101 examples of Wirral Labour / Tory / LibDem scandals, abuse of disabled people, corruption, lies, cover-ups, distortions, conflicts of interest, whitewash investigations, kickbacks, cronyism, control of the local media, gags, bumper pay-offs and clean bills of health to the guilty … and much more … all gathered over the last 10 years.

http://paulcardin.substack.com

https://inews.co.uk/news/dwp-gagging-order-disability-experts-ahead-pip-review-3919337