An electrode plate (100, 200, 300) for a secondary battery, the electrode plate (100, 200, 300) comprising: a current collector layer (110, 210, 310); and a mixture layer (120, 230) for an electrode, formed on one or both sides of the current collector layer (110, 210, 310), wherein the mixture layer (120, 230) includes a high binder-containing region (121a, 121b, 231a, 231b, 321a, 321b) with a high binder content and a low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b) with a low binder content, wherein the mixture layer (120, 230) has a structure in which a first high binder-containing region (121a, 231a), a first low binder-containing region (122a, 232a), a k-th high binder-containing region (121b, 231b), a k-th low binder-containing region (122b, 232b), and an n-th high binder-containing region (121b, 231b) are sequentially formed in a direction of from one edge of the mixture layer (120, 230) to the other edge of the mixture layer (120, 230), based on a cross section of a width direction, and wherein, k is an integer between 2 and n-1, and n is an integer between 3 and 10, characterized in that a deviation between binder contents of the high binder-containing region (121a, 121b, 231a, 231b, 321a, 321b) and the low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b) is in the range of 20 to 150% by weight, said deviation being a value obtained by converting the difference between the content of the binder contained in the high binder-containing region (121a, 121b, 231a, 231b, 321a, 321b) and the content of the binder contained in the low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b), into a percentage, compared to the binder content contained in the low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b). a current collector layer (110, 210, 310); and a mixture layer (120, 230) for an electrode, formed on one or both sides of the current collector layer (110, 210, 310), wherein the mixture layer (120, 230) includes a high binder-containing region (121a, 121b, 231a, 231b, 321a, 321b) with a high binder content and a low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b) with a low binder content, wherein the mixture layer (120, 230) has a structure in which a first high binder-containing region (121a, 231a), a first low binder-containing region (122a, 232a), a k-th high binder-containing region (121b, 231b), a k-th low binder-containing region (122b, 232b), and an n-th high binder-containing region (121b, 231b) are sequentially formed in a direction of from one edge of the mixture layer (120, 230) to the other edge of the mixture layer (120, 230), based on a cross section of a width direction, and wherein, k is an integer between 2 and n-1, and n is an integer between 3 and 10, characterized in that a deviation between binder contents of the high binder-containing region (121a, 121b, 231a, 231b, 321a, 321b) and the low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b) is in the range of 20 to 150% by weight, said deviation being a value obtained by converting the difference between the content of the binder contained in the high binder-containing region (121a, 121b, 231a, 231b, 321a, 321b) and the content of the binder contained in the low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b), into a percentage, compared to the binder content contained in the low binder-containing region (122a, 122b, 232a, 232b, 322a, 322b).