μ²λ¬Έν μ μ₯μμ λ³Έ νμ¬! μ λ μ€μΏ ν° νλ°
π μ΄μ μ±κ³Ό λ°°ν°λ¦¬
β κ³ μλμ§ μμ€ν
μ κ³΅ν΅ μ΄λͺ
μ λμ€μΏ ν° λ°°ν°λ¦¬ νλ° μμμ λ§€λ² μΆ©κ²©μ μ΄λ€. νμ§λ§ μ²λ¬Έν κ΄μ μμ 보면 λ―μ€μ§ μλ€. λ³λ, λ°°ν°λ¦¬λ, κ²°κ΅μ κ³ μλμ§λ₯Ό μμΆν΄ λ΄μλ μμ€ν
μ΄κΈ° λλ¬Έμ΄λ€. μλμ§λ νΈλ¦¬ν¨μ μ£Όμ§λ§, κ· νμ΄ λ¬΄λμ§ λ νλ°μ μΌλ‘ ν΄λ°©λλ€.
1. λ³κ³Ό λ°°ν°λ¦¬,
μμΆλ μλμ§μ μνμ±
νμμ μ€λ ₯μΌλ‘ ν΅μ μμΆν΄ λΉκ³Ό μ΄μ λΈλ€. λ°°ν°λ¦¬λ μμ μ
μμ μ κΈ°λ₯Ό λΉ½λΉ½νκ² μ μ₯νλ€. 곡ν΅μ μ **βλ°λκ° λμμλ‘ μνλ 컀μ§λ€β**λ κ². λ³μ΄ μ΄μ μ±μΌλ‘ νλ°νλ―, λ°°ν°λ¦¬λ μ΄νμ£Όκ° μμλλ©΄ μ μ΄κ° λΆκ°λ₯νλ€.
2. μΆ©μ μ βμ§λ μ μ βκ³Ό κ°λ€
μ²λ¬Ένμμ νμμμ±μ΄ λλ°μ±μΌλ‘λΆν° μ§λμ ν‘μνλ©΄, μκ³ μ§λ(μ°¬λλΌμΈμΉ΄λ₯΄ νκ³)μ λλ μκ° νλ°νλ€. λ°°ν°λ¦¬λ μΆ©μ κ³Όμ μ΄ λ°λ‘ μλμ§ μ μ
μ΄λ€. κ³Όμ λ₯, κ³ μ¨ νκ²½μ λ΄λΆ μλ ₯μ ν€μ°κ³ , μκ³μ μ μλΉκΈ΄λ€.
3. μ΄νμ£Ό = μν μ΄μ μ±
ν μ
μ λ°μ΄μ΄ μ΄μ μ
λ‘ μ λλλ©΄ **μ΄νμ£Ό(thermal runaway)**κ° λλ€. μ΄ μ°μ νλ°μ λ³μ ν΅λ°μ νμ£Όμ λ€λ₯΄μ§ μλ€. μμμ μμ λΆκ½μΌμ§ λͺ°λΌλ, μμκ°μ μ μ²΄λ‘ νμ°λλ€.
4. λ³μ λ³΅μ¬ vs μ€λ΄μ κ°ν μ΄
λ³μ κ³Όμ΄λλ©΄ λΉμΌλ‘ λ°©μΆνλ€. νμ§λ§ μ€λ΄ μΆ©μ μ λ€λ₯΄λ€. νκΈ°κ° λμ§ μλ λ°©μμ λ°°ν°λ¦¬λ₯Ό μΆ©μ νλ©΄ μ΄μ΄ λΉ μ Έλκ°μ§ λͺ»νκ³ μμΈλ€. κ²°κ΅ μμ μ€λ΄κ° βμ΄μ μ±μ 무λβκ° λλ μ
μ΄λ€.
5. μν μ βμ²λ¬Ένμ κ΄μΈ‘μβ λ§λ€κΈ°
μ²λ¬Ένμλ μ΄μ μ±μ 미리 μ‘μΌλ €κ³ μ μΈκ³ λ§μκ²½μ μ°κ²°νλ€. μΌμμμλ μμ μ§νλ₯Ό κ΄μΈ‘νλ μ΅κ΄μ΄ νμνλ€.
β’ π μ μ‘° μ νΈ: λ¨λ΄, λΆνμ, λ°μ΄
β’ π¬ λκ°: ν΅ν μ’μ κ³³μμ μΆ©μ ,
λΆμ°μ± λ°λ₯ μ λ°°μΉ
β’ β° μ΅κ΄: λ°€μ μ€λ΄ μΆ©μ νΌνκΈ°,
20~80% λ²μ μΆ©μ
β’ π μμ μ₯μΉ: μ ν μΆ©μ κΈ°,
BMS 보νΈνλ‘ μ νλ§ μ¬μ©
β’ π§― λλΉ: 리ν¬μ΄μ¨ νμ¬λ λ¬Όλ‘ μΆ©λΆν
λκ°ν΄μΌ μ¬μ νλ₯Ό λ§μ μ μλ€
6. μμ΅κ³Ό μμ , λ κΆ€λμ κ΅μ°¨μ
λΈλ‘κ·Έ μμ΅μ ν€μ°λ κ³Όμ λ λ°°ν°λ¦¬μ κ°λ€. μλμ§λ₯Ό λͺ¨μ μμ κΆ€λμ μ¬λ €μΌ μ€λ κ°λ€. κΈν λ§μμ 무리νλ©΄ νλ° μνμ΄ μ»€μ§λ€. μ²λ¬Ένμ΄ λ§ν΄μ£Όλ 건 λ¨μνλ€. βκ· νμ μμ κ³ μλμ§ μμ€ν
μ λ°λμ 무λμ§λ€.β
#μ λμ€μΏ ν°νμ¬ #λ°°ν°λ¦¬νλ° #μ΄νμ£Ό #μ²λ¬Ένλ©νν¬ #μ΄μ μ± #μνμμ #λ°°ν°λ¦¬κ΄λ¦¬ #νμ¬μλ°© #SEOμ½ν
μΈ #μ°μ£ΌμμΌμ

π Supernova and Batteries β The Common Fate of High-Energy Systems
News of an electric scooter battery explosion always shocks us. Yet, from an astronomical perspective, it feels familiar. Both stars and batteries are systems that compress and store immense energy. Energy provides convenience, but once balance collapses, it is released explosively.
1. Stars and Batteries β Compressed Energy at Risk
The Sun compresses its core through gravity to produce light and heat. Similarly, a battery stores dense electrical energy inside small cells. The shared truth is: the higher the density, the greater the risk. Just as a star can explode into a supernova, a battery can cascade into thermal runaway.
2. Charging = Mass Accretion
In astronomy, when a white dwarf pulls too much matter from a companion star, it surpasses the Chandrasekhar limit and detonates. For batteries, charging is the inflow of energy. Overcurrent or overheating accelerates the push toward a critical threshold.
3. Thermal Runaway = A Small Supernova
Heat from one cell spreads to its neighbors, triggering thermal runaway. This chain reaction mirrors the runaway nuclear fusion in a star. What starts as a spark can engulf the entire system.
4. Radiating Stars vs. Trapped Indoor Heat
Stars release heat as radiation. But an indoor charging battery is different β poor ventilation traps heat, accelerating instability. A small room can become the stage for a βmini supernova.β
5. Your Personal Observatory β Detecting Precursors
Astronomers link telescopes worldwide to catch early signs of supernovae. In daily life, we need similar vigilance:
β’ π Warning signs: chemical smell, swelling, unusual heat
β’ π¬ Cooling: charge in ventilated spaces, on non-flammable surfaces
β’ β° Charging habits: avoid overnight charging, keep between 20β80%
β’ π Safety: use only certified batteries and chargers with BMS protection
β’ π§― Response: lithium-ion fires require thorough water cooling to prevent reignition
6. Orbiting Between Growth and Safety
Growing blog income is also like managing a battery: you must accumulate energy, then maintain a stable orbit. Rushing past limits risks collapse. Astronomyβs lesson is clear: any high-energy system that loses balance will inevitably break down.
ποΈ Sound Bite Corner
βλ¨μ΄λ κΈμλ§μ΄ μλλΌ μ리λ‘λ μ΄μΌκΈ°λ₯Ό ν©λλ€.
μ΄ μ½λμμλ μμ΄ λ¨μ΄λ₯Ό ν μ
ν¬κΈ°λ‘ μλΌ, μ리μ μλ―Έλ₯Ό ν¨κ» λ§λ΄
λλ€.
μκ² μΉμ§λ§ μ€λ λ¨λ, λ°λ‘ Sound Bite Cornerμ
λλ€.β
πΉ Word 1: precursors
β’ λ»: μ ꡬμ, μ μ‘°, μ μ‘°λ¬Ό
β’ λ°μκΈ°νΈ: /priΛkΙΛr.sΙrz/
β’ μμ λΆμ
β’ /pr/ : [νr] (μ§§κ² μ΄μ΄μ)
β’ /i/ : [μ΄] (κ°λ³κ²)
β’ /ΛkΙΛr/ : [컀μ΄λ₯΄] (κ°μΈ, r κ°μ‘°)
β’ /sΙrz/ : [μrz] (λ -rzλ νλ₯Ό μ΄μ§ λ§μμ€)
β’ μ리 λλ: βν리βλ‘ κ°λ³κ² μμν΄ β컀μ΄λ₯΄βμμ μ€μ¬μ κ½ μ‘κ³ , λμμ λ€μ ν©μ΄μ§λ μ리 β βν° μ¬κ±΄μ μ μ‘°βλΌλ μλ―Έμ μ λ§μ
β’ μλ¬Έ:
Dark clouds are often precursors of a storm.
β β먹ꡬλ¦μ μ’
μ’
ννμ°μ μ μ‘°λ€.β
πΉ Word 2: ventilated
β’ λ»: νκΈ°λ, ν΅νλλ
β’ λ°μκΈ°νΈ: /Λven.tΙͺ.leΙͺ.tΙͺd/
β’ μμ λΆμ
β’ /Λven/ : [λ²€] (κ°μΈ, λΆλͺ
νκ² μμ)
β’ /tΙͺ/ : [ν°] (μ§§κ²)
β’ /leΙͺ/ : [λ μ΄] (κΈΈκ², μμνκ² λ»μ)
β’ /tΙͺd/ : [ν°λ] (λμ κ°λ³κ² λ«μ)
β’ μ리 λλ: μμ βλ²€βμ΄ λ¬΄κ²κ² μ΄λ¦¬μ§λ§ βλ μ΄βμμ κΈΈκ² ν°μ§λ©° κ³΅κΈ°κ° λΉ μ Έλκ°λ λλ β βνκΈ°βμ μ΄λ―Έμ§λ₯Ό κ·Έλλ‘ μ λ¬
β’ μλ¬Έ:
The room must be well ventilated during
charging.
β βμΆ©μ ν λλ λ°©μ΄ μ νκΈ°λμ΄μΌ νλ€.β