1. Li-ion batteries and applications Baterías de iones de litio y aplicaciones Davide Andrea Elithion Inc.
Volume 1: Batteries
Ch 4: Cell arrangement
Volúmen 1: Baterias
Cap. 4: Arreglo de celdas

2. Cell arrangement - introduction Arreglo de celdas - introducción
Chapter 4.1
Cell arrangement - introduction Arreglo de celdas - introducción
Ch 4.1: Cell arrangement - Introduction

3. Basic cell arrangements Arreglos básicos de celdas
Ch 4.1: Cell arrangement - Introduction

4. Arrangement notation Notación del arreglo
Ch 4.1: Cell arrangement - Introduction

5. Specifications for each arrangement Especificaciones para cada arreglo
Ch 4.1: Cell arrangement - Introduction

6. Module arrangement Arreglo de módulos
Ch 4.1: Cell arrangement - Introduction

7. Module and cell arrangement Arreglo de módulos y celdas
Ch 4.1: Cell arrangement - Introduction

8. Ch 4.1: Cell arrangement - Introduction
Weak cell Celda débil
Low capacity
High series resistance
High self-discharge current
Low Coulombic efficiency
Ch 4.1: Cell arrangement - Introduction

9. Battery operating point Punto de funcionamiento de una batería
Buffer battery Amortiguador
Energy, power Batería de energía, poder
Ch 4.1: Cell arrangement - Introduction

10. Ch 4.1: Cell arrangement - Introduction
Buffer battery operating range Gama de operación por una batería amortiguadora
Simétrico
Symmetrical
Asymmetrical
Asimétrico
Ch 4.1: Cell arrangement - Introduction

11. Cell arrangement - Series strings Arreglo de celdas - Cadenas en serie
Chapter 4.2
Cell arrangement - Series strings Arreglo de celdas - Cadenas en serie
Ch 4.2: Cell arrangement - Series string

12. Current in a series string Corriente en una cadena en serie
Ch 4.2: Cell arrangement - Series string

13. Current to individual cells Corriente a celdas individuales
Ch 4.2: Cell arrangement - Series string

14. Ch 4.2: Cell arrangement - Series string
Protecting cells in a series string Protección de las celdas en una una cadena en serie
Ch 4.2: Cell arrangement - Series string

15. Voltage sharing Compartimiento de tensión
Ch 4.2: Cell arrangement - Series string

16. Mismatched cells in series Celdas no coincidentes en serie
Ch 4.2: Cell arrangement - Series string

17. String capacity and SoC Capacidad y SoC de cadenas
Discharge Availability
Charge Acceptance
string_capacity [Ah] = DA [Ah] + CA [Ah]
string_SoC [%] =
= 100 * DA [Ah] / string_capacity [Ah]
Ch 4.2: Cell arrangement - Series string

18. Balance of 6 cells in series Balance de seis celdas en serie
Ch 4.2: Cell arrangement - Series string

19. Ch 4.2: Cell arrangement - Series string
3-cell string, equal capacity, balanced Cadena de 3 celdas de igual capacidad, balanceada
Ch 4.2: Cell arrangement - Series string

20. Ch 4.2: Cell arrangement - Series string
3-cell string, equal capacity, unbalanced Cadena de 3 celdas de igual capacidad, desbalanceada
Ch 4.2: Cell arrangement - Series string

21. Ch 4.2: Cell arrangement - Series string
3-cell string, unequal capacity, unbalanced Cadena de 3 celdas, capacidad desigual, desbalanceada
Ch 4.2: Cell arrangement - Series string

22. Top-balanced string Cadena balanceada en la cima
Ch 4.2: Cell arrangement - Series string

23. Mid-balanced string Cadena balanceada en el centro
Ch 4.2: Cell arrangement - Series string

24. Ch 4.2: Cell arrangement - Series string
Buffer battery, balance point = ref SoC Batería amortiguadora, punto de balance = Estado de Carga de referencia
Both at 50 % Ambos al 50%
Both at 30 % Ambos al 30%
Both at 30 % Ambos al 30%
Ch 4.2: Cell arrangement - Series string

25. Ch 4.2: Cell arrangement - Series string
Buffer battery, balance point ≠ ref SoC Batería amortiguadora, punto de balance ≠ Estado de Carga de referencia
Ch 4.2: Cell arrangement - Series string

26. Imbalance detection Detección de desbalance
Ch 4.2: Cell arrangement - Series string

27. Normal causes for imbalance Causas normales de desbalance
Self-discharge Autodescarga
Cycling Durante ciclos
Ch 4.2: Cell arrangement - Series string

28. Ch 4.2: Cell arrangement - Series string
Balancing Balanceo
Required balancing current
Balancing methods and time
Cases where balancing is not required
Ch 4.2: Cell arrangement - Series string

29. Cell voltage reversal Inversión de voltaje de una celda
Ch 4.2: Cell arrangement - Series string

30. Ch 4.2: Cell arrangement - Series string
Direct connection to capacitive load Conexión directa a carga capacitiva
Ch 4.2: Cell arrangement - Series string

31. Charging a series string Carga de una cadena en serie
a) Top balanced; b) Imbalanced, fixed charger; c) Imbalanced, remotely configurable charger.
Ch 4.2: Cell arrangement - Series string

32. Ch 4.3: Cell arrangement - Parallel blocks
Chapter 4.3
Cell arrangement - Parallel blocks Arreglo de celdas - Bloques en paralelo
Ch 4.3: Cell arrangement - Parallel blocks

33. Ch 4.3: Cell arrangement - Parallel blocks
Equal paths for all parallel cells Rutas iguales por todas las celdas en paralelo
Ch 4.3: Cell arrangement - Parallel blocks

34. Mismatched cells in parallel Celdas no coincidentes en paralelo
Ch 4.3: Cell arrangement - Parallel blocks

35. Ch 4.3: Cell arrangement - Parallel blocks
Many small cells in parallel vs 1 large cell Muchas celdas pequeñas en paralelo vs una celda grande
Ch 4.3: Cell arrangement - Parallel blocks

36. Maximum inrush current Máxima irrupción de corriente
Ch 4.3: Cell arrangement - Parallel blocks

37. Maximum inrush current Máxima irrupción de corriente
Ch 4.3: Cell arrangement - Parallel blocks

38. Worst case inrush current Peor caso de irrupción de corriente
Ch 4.3: Cell arrangement - Parallel blocks

39. Worst case inrush current Peor caso de irrupción de corriente
Ch 4.3: Cell arrangement - Parallel block

40. Cell arrangement - Parallel-first Arreglo de celdas - Paralelo-primero
Chapter 4.4
Cell arrangement - Parallel-first Arreglo de celdas - Paralelo-primero
Ch 4.4: Cell arrangement - Parallel-first

41. Parallel-first arrangement Arreglo paralelo-primero
Ch 4.4: Cell arrangement - Parallel-first

42. Fuse per cell Un fusible para cada celda
Ch 4.4: Cell arrangement - Parallel-first

43. Cell arrangement - Series-first Arreglo de celdas - Serie-primero
Chapter 4.5
Cell arrangement - Series-first Arreglo de celdas - Serie-primero
Ch 4.5: Cell arrangement - Series-first

44. Ch 4.5: Cell arrangement - Series-first
Comparison: number of voltage taps Comparación: número de grifos de voltaje
Ch 4.5: Cell arrangement - Series-first

45. Effect of low capacity cells Efecto de celdas de baja capacidad
Ch 4.5: Cell arrangement - Series-first

46. Effect of high resistance cells Efecto de celdas de alta resistencia
Ch 4.5: Cell arrangement - Series-first

47. High resistance cell under load Celda de alta resistencia bajo carga
Ch 4.5: Cell arrangement - Series-first

48. Perceived advantages Méritos percibidos
Ch 4.5: Cell arrangement - Series-first

49. Fuse per string Un fusible para cada cadena
Ch 4.5: Cell arrangement - Series-first

50. Cell arrangement - Other Arreglo de celdas - Otros
Chapter 4.6
Cell arrangement - Other Arreglo de celdas - Otros
Ch 4.6: Cell arrangement - Other

51. Complex arrangements Arreglos complejos
7S5P2S
(2S2P)(3S2P)(2S2P)
Ch 4.6: Cell arrangement - Other